Price history
Recorded standalone sale prices and the latest available store price, in USD. Historical dots use the sale start date and its recorded offer price. Prices can change during a sale; this is not a daily price log. Bundle prices and upcoming offers are excluded. History covers up to the 100 most recent recorded offers.
Lowest recorded standalone price in this history: $29.99. The latest store price is $29.99, matching the lowest recorded price shown here.
View 3 recorded prices
| Sale start / price check | Price | Observation |
|---|---|---|
| $29.99 | Latest store price | |
| $29.99 | Unity Permanent Decrease 2026-09-05 2026-09-12 | |
| $39.99 | Unity First Price 2026-06-20 2026-06-27 |
Sale and bundle history
The 2 most recent recorded offers including this asset. Past offers may no longer be available. Bundle prices cover a package, not this asset alone.
About Item Generator System
- Tools, Systems & Learning > Game Templates & Systems
- Tools, Systems & Learning > Development Tools & Automation
- Theme > Fantasy & Mythology
Item Generator System is a complete framework for procedurally generating RPG items in Unity. Define rarity tiers, stat pools, affix restrictions, and name templates — then roll Diablo-style loot as runtime objects or ScriptableObject assets, entirely from C# or the built-in 4-tab Editor Window.
Designed to feel familiar to anyone who has played Diablo, Path of Exile, or Last Epoch. Items have a rarity tier, a base stat pool, implicit modifiers, randomly rolled affixes, optional sockets, and (for the rarest items) a unique legendary effect with a flavor name.
KEY FEATURES
Rarity System — 6 default tiers (Common → Unique). Per-rarity affix counts, socket ranges, stat multipliers, sell value scaling, legendary-effect flags. Fully data-driven via ScriptableObjects.
Stat Pool Filtering — Each item type and sub-type controls exactly which stats can roll, preventing illogical combinations (melee weapons never roll spell stats).
Sub-Type Inheritance — Four modes: Inherit, Override, Extend, Restrict. Axes inherit weapon stats but restrict attack speed; staves override to a spell-only pool entirely.
Affix System — Weighted random affixes with type/rarity restrictions, exclusion groups, minimum-rarity gating, and stat-uniqueness enforcement per item.
Common-Tier Affixes — Common items roll 0–2 low-value minor affixes and 0–1 sockets. Minor affixes locked to Common so they never appear on higher tiers.
Name Generation — Per-rarity prefix/suffix pools with type and sub-type filters. Material prefixes restricted to Common; fantasy prefixes to Magic+. Unique name pool with automatic article prepending.
Dual Output — Items as runtime ItemInstance (JSON-serializable) or ItemDefinition (ScriptableObject asset).
Editor Window — 4-tab interface: Generate, Templates, Browser, Configuration. Live item card preview in the Generate tab.
Deterministic — Same seed always produces the same item, cross-platform, via Unity.Mathematics.Random.
Post-Generation Callbacks — Hook into ItemGeneratorCallbacks.OnPostGenerate to modify items after generation (seasonal bonuses, difficulty scaling, etc.).
Example Content — One click generates 15 stats, 6 rarities, 4 item types, 14 sub-types, 25 affixes, 10 templates, and a full name configuration.
Demo Scene — Runtime Diablo-style card UI with rarity-tinted borders, procedural glow, sockets and legendary sections.
WHAT'S INCLUDED
Full source code for the runtime engine and Editor Window
9 ScriptableObject types with custom inspectors
Demo scene with item card prefab
25-page User Manual (PDF)
Setup Wizard that auto-installs UPM dependencies on first import
Unit tests covering determinism, stat resolution, and affix filtering
Cardo and Cinzel SDF fonts (SIL OFL 1.1 licensed) for the demo cards
TECHNICAL HIGHLIGHTS
Pure C# — no native plugins, no platform restrictions
Decoupled — generation engine has zero UI dependencies; demo cards are optional and can be deleted
Deterministic seeded RNG — same input always produces same output, on every platform
JSON-serializable runtime objects via JsonUtility for save/load
Asmdef-isolated Editor / Runtime / Demo / Tests with clean assembly boundaries
Auto-discovery and validation tools for content management
COMPATIBILITY
Unity 2022.3 LTS, Unity 2023, Unity 6 (6000.0+). Pipeline-agnostic — works with Built-in, URP, and HDRP.
Required UPM packages (auto-installed on first import via the included Setup Wizard):
com.unity.mathematics
com.unity.textmeshpro (demo only)
com.unity.inputsystem (demo only)
DOCUMENTATION & SUPPORT
The package ships with a comprehensive 25-page User Manual (PDF) and a guided Setup Wizard that walks through TMP Essentials import, example-content generation, demo-scene build, and font validation on first import.
ABOUT NULL BOLT STUDIO
Null Bolt Studio creates code-oriented Unity tools and systems for serious game developers. Visit nullbolt.com to see other releases.
Designed to feel familiar to anyone who has played Diablo, Path of Exile, or Last Epoch. Items have a rarity tier, a base stat pool, implicit modifiers, randomly rolled affixes, optional sockets, and (for the rarest items) a unique legendary effect with a flavor name.
KEY FEATURES
Rarity System — 6 default tiers (Common → Unique). Per-rarity affix counts, socket ranges, stat multipliers, sell value scaling, legendary-effect flags. Fully data-driven via ScriptableObjects.
Stat Pool Filtering — Each item type and sub-type controls exactly which stats can roll, preventing illogical combinations (melee weapons never roll spell stats).
Sub-Type Inheritance — Four modes: Inherit, Override, Extend, Restrict. Axes inherit weapon stats but restrict attack speed; staves override to a spell-only pool entirely.
Affix System — Weighted random affixes with type/rarity restrictions, exclusion groups, minimum-rarity gating, and stat-uniqueness enforcement per item.
Common-Tier Affixes — Common items roll 0–2 low-value minor affixes and 0–1 sockets. Minor affixes locked to Common so they never appear on higher tiers.
Name Generation — Per-rarity prefix/suffix pools with type and sub-type filters. Material prefixes restricted to Common; fantasy prefixes to Magic+. Unique name pool with automatic article prepending.
Dual Output — Items as runtime ItemInstance (JSON-serializable) or ItemDefinition (ScriptableObject asset).
Editor Window — 4-tab interface: Generate, Templates, Browser, Configuration. Live item card preview in the Generate tab.
Deterministic — Same seed always produces the same item, cross-platform, via Unity.Mathematics.Random.
Post-Generation Callbacks — Hook into ItemGeneratorCallbacks.OnPostGenerate to modify items after generation (seasonal bonuses, difficulty scaling, etc.).
Example Content — One click generates 15 stats, 6 rarities, 4 item types, 14 sub-types, 25 affixes, 10 templates, and a full name configuration.
Demo Scene — Runtime Diablo-style card UI with rarity-tinted borders, procedural glow, sockets and legendary sections.
WHAT'S INCLUDED
Full source code for the runtime engine and Editor Window
9 ScriptableObject types with custom inspectors
Demo scene with item card prefab
25-page User Manual (PDF)
Setup Wizard that auto-installs UPM dependencies on first import
Unit tests covering determinism, stat resolution, and affix filtering
Cardo and Cinzel SDF fonts (SIL OFL 1.1 licensed) for the demo cards
TECHNICAL HIGHLIGHTS
Pure C# — no native plugins, no platform restrictions
Decoupled — generation engine has zero UI dependencies; demo cards are optional and can be deleted
Deterministic seeded RNG — same input always produces same output, on every platform
JSON-serializable runtime objects via JsonUtility for save/load
Asmdef-isolated Editor / Runtime / Demo / Tests with clean assembly boundaries
Auto-discovery and validation tools for content management
COMPATIBILITY
Unity 2022.3 LTS, Unity 2023, Unity 6 (6000.0+). Pipeline-agnostic — works with Built-in, URP, and HDRP.
Required UPM packages (auto-installed on first import via the included Setup Wizard):
com.unity.mathematics
com.unity.textmeshpro (demo only)
com.unity.inputsystem (demo only)
DOCUMENTATION & SUPPORT
The package ships with a comprehensive 25-page User Manual (PDF) and a guided Setup Wizard that walks through TMP Essentials import, example-content generation, demo-scene build, and font validation on first import.
ABOUT NULL BOLT STUDIO
Null Bolt Studio creates code-oriented Unity tools and systems for serious game developers. Visit nullbolt.com to see other releases.