Ash Anvil — RPG Inventory & Forge UI

A complete dark fantasy inventory interface for Unity, built on UI Toolkit (UXML + USS + C#). Four screens that already talk to each other, 131 pixel-art icons drawn for the package, and a setup wizard that leaves you with a working demo scene in one click.

Four screens, one shared bag

Inventory — 10 equipment slots on a paper-doll grid, 36 bag slots per page, up to 6 pages (2 unlocked, the rest bought with gold). A live affix digest lists every affix on everything you are wearing, in one column.

Forge — four operations on a single bench: add socket, upgrade item, salvage item, extract rune. Material and gold costs rise with the item's rarity and upgrade level, and the whole cost table is one file.

Merchant — buy and sell tabs over a 36-slot stock grid, with prices derived from base price, rarity and upgrade level.

Quest board — quest list, detail pane, objective, gold and item rewards, accept and turn in.

Every screen reads one shared inventory model, so an item salvaged in the forge disappears from the bag as well.

What is in the box
- 131 pixel-art icons: 52 equipment pieces, 33 items with per-rarity variants, 9 empty-slot glyphs, 4 forge action icons, 10 tab icons, 23 nine-slice panel pieces
- 6 rarity tiers, Common to Mythic, driving stat multipliers, affix counts and socket limits from one table
- Click to pick up, click to drop, occupied slots swap; invalid drops flash and keep the item in hand
- Item tooltips with rarity-scaled stats, affixes and socket count
- Seeded stat and affix generation: the same item shows the same values every session with nothing persisted — or fill in your own rolled values and the generator steps aside
- A setup wizard that creates the PanelSettings, fills a sprite catalogue, generates 57 item definitions and 4 sample quests, and builds the demo scene
- Separate assembly definitions for Runtime and Editor

Change most of it without writing code

Colours, borders and spacing live in one :root block in Theme.uss. Panel layout, headers and buttons are UXML you can open in UI Builder. Item names, icons, stats, prices, quest text, rewards, merchant stock, starting gold and the keyboard shortcuts are all Inspector fields. On Unity 6 the slot is a registered UXML element, so you can drag a Slot straight into a layout of your own.

Rarity tiers, which equipment slots exist, forge recipes and bag page size are code — one small file each, and the UI redraws itself around whatever you put there.

Technical notes
- UI Toolkit, not uGUI. No Canvas, no Image components, no prefabs to reskin — UXML, USS and C#.
- No dependencies. UI Toolkit ships with Unity. Verified against an empty project with no 2D packages, no Input System package and no uGUI.
- Every input backend. Input Manager (Old), Input System Package (New) and Both. The Input System is reached optionally, so nothing breaks if the package is not installed.
- No fonts shipped. Unity's default font is used; add your own with a -unity-font-definition rule.
- The equipment grid and bag are filled from code, not laid out in UXML. You can move, resize and restyle the containers in UI Builder; the slot count and order come from the two files named above.
- Nothing outside Assets/AshAnvil/ is written to, and the wizard asks before it replaces the scene you have open.
- Documentation, changelog and third-party notices are included. The package contains no third-party code, art or fonts.

Verified on
Unity 6000.6. Nothing in the source uses an API newer than Unity 2021.3, but 2021.3 to 2023 are not part of the test matrix.