{ "title": "Void Sentinel \u2014 Art Collection 02", "provider": "Reflector / OpenAI", "requested_model": "gpt-image-2", "actual_models": [ "gpt-image-2" ], "assets": [ { "id": "tower-turret", "provider": "openai", "model": "gpt-image-2", "quality": "high", "requested_size": "1024x1024", "dimensions": [ 1024, 1024 ], "prompt": "Original premium sci-fi tower-defense game asset for VOID SENTINEL. A coherent art direction: sculpted industrial hard-surface machinery, graphite ceramic armor, pale titanium inset panels, precise luminous energy channels, restrained wear, large clean readable shapes, exquisite material rendering. Professional high-end real-time strategy game sprite, not pixel art, not a photograph of a toy. Orthographic near-overhead camera at 75 degrees above the horizontal, fixed camera and scale across the set, front points toward the TOP of the image. Key light from upper left. Strong silhouette readable at 64 pixels. One object only, centered, entire object including extremities inside the central 80 percent of the canvas. Pure flat white background for extraction, no floor, no horizon, no cast shadow, no environment, no ground plate beyond the actual attached mechanical base, no text, numbers, logos, frames, UI, or watermark. No firing effects or particles outside the silhouette. Crisp cutout edges. SUBJECT: A compact guardian autocannon: squat octagonal armored base with four broad stabilizer feet, one rotating rounded rectangular gun assembly with two short parallel barrels pointing toward the top. A brilliant CYAN reactor slit and two cyan barrel rails. Functional sturdy machinery, memorable simple silhouette, readable separated barrels.", "reference_asset": null, "created_at": "2026-09-09T03:45:07.635636+00:00", "sha256": "e8755ce6a4e6200fbd10b85b8b18aef125bcc5583b11e7c6236384738cd135e5", "master": "tower-turret.png", "cost_usd": null, "cost_note": "Provider wrapper does not expose actual billed usage", "kind": "sprite", "master_included_in_pack": false, "exports": [ { "file": "tower-turret@2x.png", "dimensions": [ 1024, 1024 ], "alpha": true, "bytes": 618885, "sha256": "7631283bb4af713eb02a5f673755ddd3dfda9304804ad38a6cea6946e7b50816" }, { "file": "tower-turret.png", "dimensions": [ 512, 512 ], "alpha": true, "bytes": 177282, "sha256": "d7e38802ee40e5ea598951c3e4f18864b3e5bc41377249624ec2a08fc71506f8" } ], "background_removal": "Reflector rembg / u2net; actual alpha channel verified", "authored_forward": "up", "orientation": "Visual heading reviewed; gameplay pivot and rotation offset must be registered during integration. Tower bases remain fixed." }, { "id": "tower-miner", "provider": "openai", "model": "gpt-image-2", "quality": "high", "requested_size": "1024x1024", "dimensions": [ 1024, 1024 ], "prompt": "The attached image is ONLY a reference for camera angle, render quality and common industrial design language. Create the DIFFERENT subject described below, with its own silhouette and accent color; do not reproduce the reference turret. Original premium sci-fi tower-defense game asset for VOID SENTINEL. A coherent art direction: sculpted industrial hard-surface machinery, graphite ceramic armor, pale titanium inset panels, precise luminous energy channels, restrained wear, large clean readable shapes, exquisite material rendering. Professional high-end real-time strategy game sprite, not pixel art, not a photograph of a toy. Orthographic near-overhead camera at 75 degrees above the horizontal, fixed camera and scale across the set, front points toward the TOP of the image. Key light from upper left. Strong silhouette readable at 64 pixels. One object only, centered, entire object including extremities inside the central 80 percent of the canvas. Pure flat white background for extraction, no floor, no horizon, no cast shadow, no environment, no ground plate beyond the actual attached mechanical base, no text, numbers, logos, frames, UI, or watermark. No firing effects or particles outside the silhouette. Crisp cutout edges. SUBJECT: An AMBER resource extractor, not a weapon: three radial chunky support arms holding a central vertical mining drill housing and hexagonal glass amber energy chamber. Thick copper collection pipes around a compact triangular footprint. Gold light confined to chamber and three indicator strips. No gun barrel. Clear tripod silhouette distinct from the turret.", "reference_asset": "tower-turret.png", "created_at": "2026-09-09T03:47:42.375405+00:00", "sha256": "7321cc9c57698c4807cf932708d6d396988a23ac2f19ca1973736885e64422c7", "master": "tower-miner.png", "cost_usd": null, "cost_note": "Provider wrapper does not expose actual billed usage", "kind": "sprite", "master_included_in_pack": false, "exports": [ { "file": "tower-miner@2x.png", "dimensions": [ 1024, 1024 ], "alpha": true, "bytes": 747441, "sha256": "58b06f5631d47a527f4234c0738999395be111a801f0ca8f44fb0f035efdbf15" }, { "file": "tower-miner.png", "dimensions": [ 512, 512 ], "alpha": true, "bytes": 204321, "sha256": "850d43ae405503767b3d57a8833ae017b809ff3ffe4c97a37a5b0ea0a71cde89" } ], "background_removal": "Reflector rembg / u2net; actual alpha channel verified", "authored_forward": "non-directional", "orientation": "Visual heading reviewed; gameplay pivot and rotation offset must be registered during integration. Tower bases remain fixed." }, { "id": "tower-gauss", "provider": "openai", "model": "gpt-image-2", "quality": "high", "requested_size": "1024x1024", "dimensions": [ 1024, 1024 ], "prompt": "The attached image is ONLY a reference for camera angle, render quality and common industrial design language. Create the DIFFERENT subject described below, with its own silhouette and accent color; do not reproduce the reference turret. Original premium sci-fi tower-defense game asset for VOID SENTINEL. A coherent art direction: sculpted industrial hard-surface machinery, graphite ceramic armor, pale titanium inset panels, precise luminous energy channels, restrained wear, large clean readable shapes, exquisite material rendering. Professional high-end real-time strategy game sprite, not pixel art, not a photograph of a toy. Orthographic near-overhead camera at 75 degrees above the horizontal, fixed camera and scale across the set, front points toward the TOP of the image. Key light from upper left. Strong silhouette readable at 64 pixels. One object only, centered, entire object including extremities inside the central 80 percent of the canvas. Pure flat white background for extraction, no floor, no horizon, no cast shadow, no environment, no ground plate beyond the actual attached mechanical base, no text, numbers, logos, frames, UI, or watermark. No firing effects or particles outside the silhouette. Crisp cutout edges. SUBJECT: A high-power ELECTRIC BLUE electromagnetic rail cannon on a broad diamond-shaped armored platform. One long forward barrel composed of TWO physically separated parallel magnetic rails with blue energy between, a massive rear capacitor block and two side outriggers. Long triangular silhouette. Heavy cannon, not twin autocannon barrels.", "reference_asset": "tower-turret.png", "created_at": "2026-09-09T03:47:37.584084+00:00", "sha256": "4473c16adee397a388e66b076a2d3315566fe258d9ee77e9cd0fe2f028bd2b0f", "master": "tower-gauss.png", "cost_usd": null, "cost_note": "Provider wrapper does not expose actual billed usage", "kind": "sprite", "master_included_in_pack": false, "exports": [ { "file": "tower-gauss@2x.png", "dimensions": [ 1024, 1024 ], "alpha": true, "bytes": 627036, "sha256": "cdafe5dc3edc6379aef7f578b85ad76deb9a7e846a3a47f1bf3a61163a94949f" }, { "file": "tower-gauss.png", "dimensions": [ 512, 512 ], "alpha": true, "bytes": 172788, "sha256": "3d79e0043365234136f00733a8c9fbfab5a93c1477b532ee6e91cc7fabe7bf16" } ], "background_removal": "Reflector rembg / u2net; actual alpha channel verified", "authored_forward": "down", "orientation": "Visual heading reviewed; gameplay pivot and rotation offset must be registered during integration. Tower bases remain fixed." }, { "id": "tower-pulse", "provider": "openai", "model": "gpt-image-2", "quality": "high", "requested_size": "1024x1024", "dimensions": [ 1024, 1024 ], "prompt": "The attached image is ONLY a reference for camera angle, render quality and common industrial design language. Create the DIFFERENT subject described below, with its own silhouette and accent color; do not reproduce the reference turret. Original premium sci-fi tower-defense game asset for VOID SENTINEL. A coherent art direction: sculpted industrial hard-surface machinery, graphite ceramic armor, pale titanium inset panels, precise luminous energy channels, restrained wear, large clean readable shapes, exquisite material rendering. Professional high-end real-time strategy game sprite, not pixel art, not a photograph of a toy. Orthographic near-overhead camera at 75 degrees above the horizontal, fixed camera and scale across the set, front points toward the TOP of the image. Key light from upper left. Strong silhouette readable at 64 pixels. One object only, centered, entire object including extremities inside the central 80 percent of the canvas. Pure flat white background for extraction, no floor, no horizon, no cast shadow, no environment, no ground plate beyond the actual attached mechanical base, no text, numbers, logos, frames, UI, or watermark. No firing effects or particles outside the silhouette. Crisp cutout edges. SUBJECT: A VIOLET radial pulse generator: circular toroidal coil surrounding a bright violet energy sphere, four thick evenly spaced radial armored fins and a circular compact base. Concentric arcs and clean negative spaces make a memorable round silhouette. No barrels, no gun. Restrained violet electrical glow inside the object.", "reference_asset": "tower-turret.png", "created_at": "2026-09-09T03:47:37.942601+00:00", "sha256": "f877f71e072af03bf879ca42536041c9f783bc2e50f86981b0913da348b90529", "master": "tower-pulse.png", "cost_usd": null, "cost_note": "Provider wrapper does not expose actual billed usage", "kind": "sprite", "master_included_in_pack": false, "exports": [ { "file": "tower-pulse@2x.png", "dimensions": [ 1024, 1024 ], "alpha": true, "bytes": 888987, "sha256": "42c6ed782df4803a839d907792f63c7b7863d1d11dd9b210b8a235102fe6b168" }, { "file": "tower-pulse.png", "dimensions": [ 512, 512 ], "alpha": true, "bytes": 272505, "sha256": "7edbfa6beac032fa701c7f8c7a6e00e1302938836a4b20e9a8df65d09743f3e5" } ], "background_removal": "Reflector rembg / u2net; actual alpha channel verified", "authored_forward": "non-directional", "orientation": "Visual heading reviewed; gameplay pivot and rotation offset must be registered during integration. Tower bases remain fixed." }, { "id": "tower-flamethrower", "provider": "openai", "model": "gpt-image-2", "quality": "high", "requested_size": "1024x1024", "dimensions": [ 1024, 1024 ], "prompt": "The attached image is ONLY a reference for camera angle, render quality and common industrial design language. Create the DIFFERENT subject described below, with its own silhouette and accent color; do not reproduce the reference turret. Original premium sci-fi tower-defense game asset for VOID SENTINEL. A coherent art direction: sculpted industrial hard-surface machinery, graphite ceramic armor, pale titanium inset panels, precise luminous energy channels, restrained wear, large clean readable shapes, exquisite material rendering. Professional high-end real-time strategy game sprite, not pixel art, not a photograph of a toy. Orthographic near-overhead camera at 75 degrees above the horizontal, fixed camera and scale across the set, front points toward the TOP of the image. Key light from upper left. Strong silhouette readable at 64 pixels. One object only, centered, entire object including extremities inside the central 80 percent of the canvas. Pure flat white background for extraction, no floor, no horizon, no cast shadow, no environment, no ground plate beyond the actual attached mechanical base, no text, numbers, logos, frames, UI, or watermark. No firing effects or particles outside the silhouette. Crisp cutout edges. SUBJECT: An ORANGE close-range incendiary turret with two stout fuel cylinders mounted at its rear, a broad forward wedge shield and one short wide flame-projector nozzle pointing upward. A triangular vent of hot orange light, copper heat shielding and graphite armor. No actual flame plume. Compact bulldog silhouette, clearly different from long-range weapons.", "reference_asset": "tower-turret.png", "created_at": "2026-09-09T03:49:46.062382+00:00", "sha256": "9cf0bf573057f39468976a82229d5d449fdb03cae7cbdff8c24daada31bf6ae5", "master": "tower-flamethrower.png", "cost_usd": null, "cost_note": "Provider wrapper does not expose actual billed usage", "kind": "sprite", "master_included_in_pack": false, "exports": [ { "file": "tower-flamethrower@2x.png", "dimensions": [ 1024, 1024 ], "alpha": true, "bytes": 749256, "sha256": "695d50b4063547ba7188354d4207ddb175c6c0b54a85d52217dacbe0278a2c3d" }, { "file": "tower-flamethrower.png", "dimensions": [ 512, 512 ], "alpha": true, "bytes": 239120, "sha256": "161c900915f799c2514768593dee73dcdf26c606e71873e37832749edcafc1eb" } ], "background_removal": "Reflector rembg / u2net; actual alpha channel verified", "authored_forward": "down", "orientation": "Visual heading reviewed; gameplay pivot and rotation offset must be registered during integration. Tower bases remain fixed." }, { "id": "tower-sniper", "provider": "openai", "model": "gpt-image-2", "quality": "high", "requested_size": "1024x1024", "dimensions": [ 1024, 1024 ], "prompt": "The attached image is ONLY a reference for camera angle, render quality and common industrial design language. Create the DIFFERENT subject described below, with its own silhouette and accent color; do not reproduce the reference turret. Original premium sci-fi tower-defense game asset for VOID SENTINEL. A coherent art direction: sculpted industrial hard-surface machinery, graphite ceramic armor, pale titanium inset panels, precise luminous energy channels, restrained wear, large clean readable shapes, exquisite material rendering. Professional high-end real-time strategy game sprite, not pixel art, not a photograph of a toy. Orthographic near-overhead camera at 75 degrees above the horizontal, fixed camera and scale across the set, front points toward the TOP of the image. Key light from upper left. Strong silhouette readable at 64 pixels. One object only, centered, entire object including extremities inside the central 80 percent of the canvas. Pure flat white background for extraction, no floor, no horizon, no cast shadow, no environment, no ground plate beyond the actual attached mechanical base, no text, numbers, logos, frames, UI, or watermark. No firing effects or particles outside the silhouette. Crisp cutout edges. SUBJECT: A LIME precision sniper emplacement: one exceptionally long thin singular barrel projecting toward the top, elegant narrow diamond body, angular scope module, two wide splayed support legs. Pale titanium barrel sleeve, dark graphite housing, a small vivid lime targeting lens. Slim spear silhouette, precise rather than bulky, distinctly different from twin-rail Gauss.", "reference_asset": "tower-turret.png", "created_at": "2026-09-09T03:49:36.755614+00:00", "sha256": "decc6d4d6c43bc0dc569c2551f6961e622cbcc686303789994a3701d1f936925", "master": "tower-sniper.png", "cost_usd": null, "cost_note": "Provider wrapper does not expose actual billed usage", "kind": "sprite", "master_included_in_pack": false, "exports": [ { "file": "tower-sniper@2x.png", "dimensions": [ 1024, 1024 ], "alpha": true, "bytes": 388470, "sha256": "44fbc73d9057fb23f7d18e4bf8854d33be853208e7995313b2f37d1518bc039a" }, { "file": "tower-sniper.png", "dimensions": [ 512, 512 ], "alpha": true, "bytes": 108112, "sha256": "4635bd5a0848535bcfc68ac2a2fbd816b0df8aa03a9765cd6608bef8a75399fe" } ], "background_removal": "Reflector rembg / u2net; actual alpha channel verified", "authored_forward": "up", "orientation": "Visual heading reviewed; gameplay pivot and rotation offset must be registered during integration. Tower bases remain fixed." }, { "id": "enemy-drone", "provider": "openai", "model": "gpt-image-2", "quality": "high", "requested_size": "1024x1024", "dimensions": [ 1024, 1024 ], "prompt": "The attached image is ONLY a reference for camera angle, render quality and common industrial design language. Create the DIFFERENT subject described below, with its own silhouette and accent color; do not reproduce the reference turret. Original premium sci-fi tower-defense game asset for VOID SENTINEL. A coherent art direction: sculpted industrial hard-surface machinery, graphite ceramic armor, pale titanium inset panels, precise luminous energy channels, restrained wear, large clean readable shapes, exquisite material rendering. Professional high-end real-time strategy game sprite, not pixel art, not a photograph of a toy. Orthographic near-overhead camera at 75 degrees above the horizontal, fixed camera and scale across the set, front points toward the TOP of the image. Key light from upper left. Strong silhouette readable at 64 pixels. One object only, centered, entire object including extremities inside the central 80 percent of the canvas. Pure flat white background for extraction, no floor, no horizon, no cast shadow, no environment, no ground plate beyond the actual attached mechanical base, no text, numbers, logos, frames, UI, or watermark. No firing effects or particles outside the silhouette. Crisp cutout edges. SUBJECT: An alien VOID DRONE from the hostile faction: small sinister floating diamond-shaped obsidian machine, four swept sharp blade fins around ONE bright ember-red central eye, dark purple black ceramic shell with sparse glowing red fissures. Symmetrical compact dart silhouette, forward toward image top. No friendly white armor, no humanoid features, no base platform. Same precise rendering and camera family as reference but unmistakably alien.", "reference_asset": "tower-turret.png", "created_at": "2026-09-09T03:49:39.774819+00:00", "sha256": "db29a5ddd7ca5b52db32bbc6b6e253fe64801b7c7eb17e2d632bc6da5eb27829", "master": "enemy-drone.png", "cost_usd": null, "cost_note": "Provider wrapper does not expose actual billed usage", "kind": "sprite", "master_included_in_pack": false, "exports": [ { "file": "enemy-drone@2x.png", "dimensions": [ 1024, 1024 ], "alpha": true, "bytes": 488252, "sha256": "fd9a2f49d03f7affae2871282edc35d906a0bfd6fb271c3b8ea31c8916d38e90" }, { "file": "enemy-drone.png", "dimensions": [ 512, 512 ], "alpha": true, "bytes": 157848, "sha256": "c2db285107491da4588ea5c88455049403d284162a2376a3537e95cdd0d75d3a" } ], "background_removal": "Reflector rembg / u2net; actual alpha channel verified", "authored_forward": "radially symmetric", "orientation": "Visual heading reviewed; gameplay pivot and rotation offset must be registered during integration. Tower bases remain fixed." }, { "id": "enemy-scout", "provider": "openai", "model": "gpt-image-2", "quality": "high", "requested_size": "1024x1024", "dimensions": [ 1024, 1024 ], "prompt": "The attached image is ONLY a reference for camera angle, render quality and common industrial design language. Create the DIFFERENT subject described below, with its own silhouette and accent color; do not reproduce the reference turret. Original premium sci-fi tower-defense game asset for VOID SENTINEL. A coherent art direction: sculpted industrial hard-surface machinery, graphite ceramic armor, pale titanium inset panels, precise luminous energy channels, restrained wear, large clean readable shapes, exquisite material rendering. Professional high-end real-time strategy game sprite, not pixel art, not a photograph of a toy. Orthographic near-overhead camera at 75 degrees above the horizontal, fixed camera and scale across the set, front points toward the TOP of the image. Key light from upper left. Strong silhouette readable at 64 pixels. One object only, centered, entire object including extremities inside the central 80 percent of the canvas. Pure flat white background for extraction, no floor, no horizon, no cast shadow, no environment, no ground plate beyond the actual attached mechanical base, no text, numbers, logos, frames, UI, or watermark. No firing effects or particles outside the silhouette. Crisp cutout edges. SUBJECT: An alien VOID SCOUT: very fast crescent-winged obsidian skimmer, thin elongated arrowhead body and two swept-back narrow knife wings, three tiny hot magenta eyes at the nose, violet-magenta energy seams. Light nimble narrow silhouette pointing upward, not a bulky drone or aircraft with human cockpit. No friendly white armor, no platform. Alien faction material language of dark purple-black polished mineral shell.", "reference_asset": "tower-turret.png", "created_at": "2026-09-09T03:51:34.420347+00:00", "sha256": "6f532ad3018ebe01434e5e3ba651db5ac91e7f5a9cfc4e4a3aae6a6092fc833c", "master": "enemy-scout.png", "cost_usd": null, "cost_note": "Provider wrapper does not expose actual billed usage", "kind": "sprite", "master_included_in_pack": false, "exports": [ { "file": "enemy-scout@2x.png", "dimensions": [ 1024, 1024 ], "alpha": true, "bytes": 475548, "sha256": "9b002b1de88e4d9202b4896fee5b5860bdd92aa10f5d9c6032022f1f3a8b89cf" }, { "file": "enemy-scout.png", "dimensions": [ 512, 512 ], "alpha": true, "bytes": 128236, "sha256": "c6aacb803073283023f8ff11dda8fe15affdcc343d85bf74bf116b7f8eb2fb0e" } ], "background_removal": "Reflector rembg / u2net; actual alpha channel verified", "authored_forward": "down", "orientation": "Visual heading reviewed; gameplay pivot and rotation offset must be registered during integration. Tower bases remain fixed." }, { "id": "enemy-tank", "provider": "openai", "model": "gpt-image-2", "quality": "high", "requested_size": "1024x1024", "dimensions": [ 1024, 1024 ], "prompt": "The attached image is ONLY a reference for camera angle, render quality and common industrial design language. Create the DIFFERENT subject described below, with its own silhouette and accent color; do not reproduce the reference turret. Original premium sci-fi tower-defense game asset for VOID SENTINEL. A coherent art direction: sculpted industrial hard-surface machinery, graphite ceramic armor, pale titanium inset panels, precise luminous energy channels, restrained wear, large clean readable shapes, exquisite material rendering. Professional high-end real-time strategy game sprite, not pixel art, not a photograph of a toy. Orthographic near-overhead camera at 75 degrees above the horizontal, fixed camera and scale across the set, front points toward the TOP of the image. Key light from upper left. Strong silhouette readable at 64 pixels. One object only, centered, entire object including extremities inside the central 80 percent of the canvas. Pure flat white background for extraction, no floor, no horizon, no cast shadow, no environment, no ground plate beyond the actual attached mechanical base, no text, numbers, logos, frames, UI, or watermark. No firing effects or particles outside the silhouette. Crisp cutout edges. SUBJECT: An alien VOID SIEGE TANK: broad massive beetle-like obsidian armored crawler with six short armored legs, layered overlapping black-violet shell plates and a narrow furnace-red slit under its forward shell. Wide heavy hexagonal footprint, thick front mandibles, clearly much heavier than drone or scout. Bright orange-red seams within deep cracks; no wheels, gun turret, white armor, platform, or humanoid face.", "reference_asset": "tower-turret.png", "created_at": "2026-09-09T03:51:48.883605+00:00", "sha256": "2659f89418c89eabae0e89b74c2c6192300f515f4e4f0155f808c57815cc5744", "master": "enemy-tank.png", "cost_usd": null, "cost_note": "Provider wrapper does not expose actual billed usage", "kind": "sprite", "master_included_in_pack": false, "exports": [ { "file": "enemy-tank@2x.png", "dimensions": [ 1024, 1024 ], "alpha": true, "bytes": 955641, "sha256": "f3363601f000daa594d6507a37234da599ece086a4ee47ffc3ad4535e13b51f3" }, { "file": "enemy-tank.png", "dimensions": [ 512, 512 ], "alpha": true, "bytes": 265424, "sha256": "8266976e1f5a67799d352cee77311f9ade665b0ad020685b28e5e918ad8557b8" } ], "background_removal": "Reflector rembg / u2net; actual alpha channel verified", "authored_forward": "down", "orientation": "Visual heading reviewed; gameplay pivot and rotation offset must be registered during integration. Tower bases remain fixed." }, { "id": "enemy-boss", "provider": "openai", "model": "gpt-image-2", "quality": "high", "requested_size": "1024x1024", "dimensions": [ 1024, 1024 ], "prompt": "The attached image is ONLY a reference for camera angle, render quality and common industrial design language. Create the DIFFERENT subject described below, with its own silhouette and accent color; do not reproduce the reference turret. Original premium sci-fi tower-defense game asset for VOID SENTINEL. A coherent art direction: sculpted industrial hard-surface machinery, graphite ceramic armor, pale titanium inset panels, precise luminous energy channels, restrained wear, large clean readable shapes, exquisite material rendering. Professional high-end real-time strategy game sprite, not pixel art, not a photograph of a toy. Orthographic near-overhead camera at 75 degrees above the horizontal, fixed camera and scale across the set, front points toward the TOP of the image. Key light from upper left. Strong silhouette readable at 64 pixels. One object only, centered, entire object including extremities inside the central 80 percent of the canvas. Pure flat white background for extraction, no floor, no horizon, no cast shadow, no environment, no ground plate beyond the actual attached mechanical base, no text, numbers, logos, frames, UI, or watermark. No firing effects or particles outside the silhouette. Crisp cutout edges. SUBJECT: The VOID SOVEREIGN boss: imposing alien siege entity, a huge central faceted obsidian crown-shaped carapace with a blazing magenta-red singularity eye, four massive articulated scythe-like limbs spread symmetrically around it, six violet crystal spines forming a distinctive regal halo. Radial star-shaped silhouette, dark violet-black mineral armor, restrained ember-red fissures. One cohesive creature, not a group. No friendly white armor, no platform. Terrifying and elegant rather than visually noisy.", "reference_asset": "tower-turret.png", "created_at": "2026-09-09T03:51:52.383998+00:00", "sha256": "3823205f2373cc1b7af95ae9017f67daa4273f022648b23b1704e78203c8f7a3", "master": "enemy-boss.png", "cost_usd": null, "cost_note": "Provider wrapper does not expose actual billed usage", "kind": "sprite", "master_included_in_pack": false, "exports": [ { "file": "enemy-boss@2x.png", "dimensions": [ 1024, 1024 ], "alpha": true, "bytes": 678272, "sha256": "e063e1a63df7ea16994445711ecd22f4949e35545eb21bcf19177acd46870a9a" }, { "file": "enemy-boss.png", "dimensions": [ 512, 512 ], "alpha": true, "bytes": 186027, "sha256": "2b25b8bbc34ea88faa8b8849e9033718961d4ba5a809a95c098efdba262820c5" } ], "background_removal": "Reflector rembg / u2net; actual alpha channel verified", "authored_forward": "down", "orientation": "Visual heading reviewed; gameplay pivot and rotation offset must be registered during integration. Tower bases remain fixed." }, { "id": "base-core", "provider": "openai", "model": "gpt-image-2", "quality": "high", "requested_size": "1024x1024", "dimensions": [ 1024, 1024 ], "prompt": "The attached image is ONLY a reference for camera angle, render quality and common industrial design language. Create the DIFFERENT subject described below, with its own silhouette and accent color; do not reproduce the reference turret. Original premium sci-fi tower-defense game asset for VOID SENTINEL. A coherent art direction: sculpted industrial hard-surface machinery, graphite ceramic armor, pale titanium inset panels, precise luminous energy channels, restrained wear, large clean readable shapes, exquisite material rendering. Professional high-end real-time strategy game sprite, not pixel art, not a photograph of a toy. Orthographic near-overhead camera at 75 degrees above the horizontal, fixed camera and scale across the set, front points toward the TOP of the image. Key light from upper left. Strong silhouette readable at 64 pixels. One object only, centered, entire object including extremities inside the central 80 percent of the canvas. Pure flat white background for extraction, no floor, no horizon, no cast shadow, no environment, no ground plate beyond the actual attached mechanical base, no text, numbers, logos, frames, UI, or watermark. No firing effects or particles outside the silhouette. Crisp cutout edges. SUBJECT: The SENTINEL CORE to defend: a monumental but compact circular reactor sanctuary, six pale titanium armored petals around a suspended brilliant cyan-white energy crystal, concentric graphite containment rings, four compact buttresses with cyan conduits. A luminous hexagonal heart, strong symmetrical silhouette, precision-engineered protective technology. This is the visual heart of the friendly faction. No guns or enemies.", "reference_asset": "tower-turret.png", "created_at": "2026-09-09T03:53:47.121639+00:00", "sha256": "3d33c47ce7d88b9cd3f2f2ebee5e1c8e839b678c9b71cfcd4455d8bf823c8c26", "master": "base-core.png", "cost_usd": null, "cost_note": "Provider wrapper does not expose actual billed usage", "kind": "sprite", "master_included_in_pack": false, "exports": [ { "file": "base-core@2x.png", "dimensions": [ 1024, 1024 ], "alpha": true, "bytes": 918411, "sha256": "5152f599fc0f0f1d4190d95ba4842ec50cabc62d09f05bdb34431fcbdbd48612" }, { "file": "base-core.png", "dimensions": [ 512, 512 ], "alpha": true, "bytes": 342745, "sha256": "114228b1e40d5f2f9d872dd4500066ee5350a2fe5221e44ac8dd68e023bfab3c" } ], "background_removal": "Reflector rembg / u2net; actual alpha channel verified", "authored_forward": "non-directional", "orientation": "Visual heading reviewed; gameplay pivot and rotation offset must be registered during integration. Tower bases remain fixed." }, { "id": "menu-hero", "provider": "openai", "model": "gpt-image-2", "quality": "high", "requested_size": "3840x2160", "dimensions": [ 3840, 2160 ], "prompt": "The attached image is ONLY a reference for camera angle, render quality and common industrial design language. Create the DIFFERENT subject described below, with its own silhouette and accent color; do not reproduce the reference turret. Create spectacular original cinematic key art for the game VOID SENTINEL, 16:9 wide. The last autonomous defense station on a shattered moon at the edge of an immense cosmic rift. At the RIGHT HALF of the frame: a towering ivory-titanium and graphite Sentinel reactor with a brilliant cyan heart, protected by a few monumental autocannon fortifications using the reference design language, on fractured black basalt and angular industrial platforms. Beyond it in the far distance, a vast ominous magenta-violet tear in spacetime reveals the suggestion of an alien crystalline crown and a swarm of tiny red lights. Cold blue nebulae, a broken planet crescent, fine drifting moon dust, dramatic cinematic rim light, deep atmospheric scale, exquisitely composed premium science-fiction game key art. LEFT 45 percent is dark quiet blue-black space and faint haze deliberately reserved for a separately rendered game title and menu. Strong cyan-versus-violet color story, luminous but controlled, crisp architecture and cinematic atmospheric depth. No text or lettering whatsoever, no logo, no UI, no watermark, no human characters, no recognizable franchise designs. Beautiful and original, not generic neon city cyberpunk.", "reference_asset": "tower-turret.png", "created_at": "2026-09-09T03:53:43.714566+00:00", "sha256": "3573eb9fe40b2a75d7abaec9fe24d636f5d34d8a3483db02f91370833689da29", "master": "menu-hero.png", "cost_usd": null, "cost_note": "Provider wrapper does not expose actual billed usage", "kind": "background", "master_included_in_pack": false, "exports": [ { "file": "menu-hero.webp", "dimensions": [ 3840, 2160 ], "alpha": false, "bytes": 1153000, "sha256": "d4045c472f2b5f155ec16999cad6e12c56613ed1f0b7205eaa92288c7807640c" } ] }, { "id": "battlefield", "provider": "openai", "model": "gpt-image-2", "quality": "high", "requested_size": "2560x1440", "dimensions": [ 2560, 1440 ], "prompt": "The attached image is ONLY a reference for camera angle, render quality and common industrial design language. Create the DIFFERENT subject described below, with its own silhouette and accent color; do not reproduce the reference turret. Create a playable 16:9 science-fiction tower defense battlefield background plate, looking STRAIGHT DOWN with orthographic camera, absolutely no horizon or perspective. A large abandoned orbital defense platform suspended over dark blue-black space beside a subtle violet cosmic rift. The central 80 percent must be a FLAT unobstructed quiet dark graphite metal deck suitable for a game to draw its own grid, enemy path, towers, projectiles and UI over it. Subtle broad geometric deck panels, physically rendered low-contrast bevels, fine restrained wear, mostly near-black neutral navy tones. Rich detailed machinery, cyan power conduits, damaged titanium armor plating and hints of violet void corruption restricted to the outer 8 percent perimeter, so the center remains visually calm and exceptionally readable. A few tiny stars outside broken perimeter corners only. Premium clean realistic RTS environment art matching the reference industrial language. No units, towers, buildings, props, roads, pre-drawn enemy path, bright markings in the central play field, labels, text, logos, hex grid, HUD, or watermark. Lighting soft overhead, elegant material detail, restrained contrast, no deep shadows or obstacles crossing the center.", "reference_asset": "tower-turret.png", "created_at": "2026-09-09T03:53:42.043628+00:00", "sha256": "3ab1d323864d943fb3e76d7fbd63d79c17f29b389693d7cac4affcdf5ef68c92", "master": "battlefield.png", "cost_usd": null, "cost_note": "Provider wrapper does not expose actual billed usage", "kind": "background", "master_included_in_pack": false, "exports": [ { "file": "battlefield.webp", "dimensions": [ 2560, 1440 ], "alpha": false, "bytes": 557296, "sha256": "65486a5ef0e41c19f63cf627dcef1dd3699da2f8608980a3c50b82dd872b240f" } ] } ], "status": "Art pack; original gameplay and old assets preserved" }