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+# Sprite Production Tracker
+
+Use this checklist to keep tabs on every gameplay element still running on placeholder art. When a sprite is finished and committed, flip its checkbox to `[x]`.
+
+## NPCs & Bosses
+- [ ] Avalian Trader (base, shimmer, town head, shimmer head)
+- [ ] Lexy (boss body, gore, map icon, bestiary portrait)
+- [ ] Lyyka (boss body, gore, map icon, bestiary portrait)
+- [ ] Clara (support NPC/boss phase assets)
+- [ ] Terra (support NPC/boss phase assets)
+- [ ] Neptune (boss body, gore, map icon, bestiary portrait)
+- [ ] Raccoon (mini-boss body, gore, map icon, bestiary portrait)
+- [ ] Niko (boss body, gore, map icon, bestiary portrait)
+- [ ] Corrupted Swarm (final boss)
+  - [ ] Core body sheet for default/fusion form
+  - [ ] Phase variants (Corrupted Eye of Cthulhu, Skeletron, Wall of Flesh, Mech fusion, Lunar/Cultist hybrid, Providence, Yharon, Supreme Calamitas, Final Singularity)
+  - [ ] Map icon, bestiary portrait/background, enrage icon if applicable
+  - [ ] Spawn/despawn FX and phase transition visuals
+  - [ ] Gore assets for each major phase
+
+## Items & Equipment
+
+### Accessories
+- [ ] Ascendant Swarm Module
+- [ ] Avali Scout Pack
+- [ ] Essence Of Clutches
+- [ ] Soul Of Avalon
+- [ ] Dev Infinite Mana
+- [ ] Transcendent Matrix
+
+### Armor Sets (each needs item icon plus body/leg/head variant sheets)
+- [ ] Avali Scout set (helmet, cowl, hood, mask, chestplate, leggings + head/body/leg overlays)
+- [ ] Avali Skirmisher set (helmet, cowl, hood, mask, chestplate, leggings + overlays)
+- [ ] Avali Vanguard set (helmet, cowl, hood, mask, chestplate, leggings + overlays)
+- [ ] Protogen Initiate set (helmet, cowl, hood, mask, chestplate, leggings + overlays)
+- [ ] Protogen Operative set (helmet, cowl, hood, mask, chestplate, leggings + overlays)
+- [ ] Protogen Sentinel set (helmet, cowl, hood, mask, chestplate, leggings + overlays)
+- [ ] Singularity set (helmet, hood, chestplate, leggings + overlays)
+- [ ] Transcendent set (helm, hood, mask, cowl, coreplate, greaves + overlays)
+- [ ] Murder Drones vanity set (empty folder)
+- [ ] OneShot vanity set (empty folder)
+
+### Weapons & Tools
+- [ ] Beam Attack Wand (staff + charged channel sprite)
+- [ ] Tome Of Unyielding
+- [ ] Shattered Prism (currently reuses vanilla Last Prism)
+  - [ ] Holdout sprite (`ShatteredPrismHoldout`) matching the custom item art
+- [x] Nyanageddon
+- [ ] True Nyanageddon
+- [ ] Transcendent Singularity Staff
+- [ ] Transcendent Blade
+- [ ] Transcendent Railcannon
+- [ ] Transcendent Omnitool
+- [ ] Singularity Multitool
+
+### Summon Items
+- [ ] Corrupted Beacon (final boss summon)
+- [x] Lexy Summon
+- [x] Lyyka Summon
+- [x] Neptune Summon
+- [x] Niko Summon
+
+### Materials & Crafting Components
+- [x] Avali Feather
+- [ ] Containment Unit
+- [ ] Controlled Singularity
+- [ ] Energy Core
+- [x] Fallen Angel Feather (dev boss material)
+- [x] Half Eaten Fish (dev boss material)
+- [x] Lyyka Boss Drop (dev boss material)
+- [x] Visor Shard (dev boss material)
+- [ ] Mini Singularity
+- [ ] Singularity Alloy
+- [x] RGBass
+- [ ] Unstable Matter
+- [ ] Malfunctioning Nanites
+
+## Tiles & Decorations
+- [ ] High Tech Marvel (tile sheet + item texture)
+- [ ] Singularity Sealing Unit (tile sheet + glowmask)
+- [x] Neptune Trophy
+- [ ] Trophy stand item icon polish if needed
+- [ ] Crafting station item icons for missing polish passes
+
+## Projectiles & Visual FX
+- [ ] Avali Thermal Drone
+- [ ] Avali Hunting Drone
+- [ ] Avali Hunting Drone shot
+- [ ] Beam Attack Wand beam
+- [ ] Charged Beam Attack Wand visuals
+- [ ] Protogen Operative Nanite
+- [ ] Protogen Sentinel Core (glow), beam, fragment
+- [ ] Singularity Orb and beam
+- [ ] Shattered Prism beam effects (currently placeholder recolor)
+- [ ] Transcendent Ascendant Drone
+- [ ] Transcendent Ascendant Bolt
+- [ ] Transcendent Blade Shard
+- [ ] Transcendent Nanite Shard
+- [ ] Transcendent Nova
+- [ ] Transcendent Rail Bolt
+
+## Miscellaneous
+- [ ] Gore sets for Avali, Protogen, Singularity, and Transcendent enemies
+- [ ] Dedicated dust/particle textures for nanite, singularity, and ascendant effects
+- [ ] UI/iconography for progression indicators (e.g., swarm toggles, set bonus icons)
+- [ ] Bestiary backgrounds for each custom boss
+- [ ] Update temporary fishing sonar icon for RGBass once final art exists
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