# d2Algebra

> Diablo 2 Resurrected skill planner with greedy leveling matrix and NSGA-II armor Pareto

Free Diablo 2 Resurrected skill planner with greedy per-level skill matrix, synergy optimization, aura support, NSGA-II armor Pareto search, breakpoints, and gear requirements.

## Primary tool
- [d2Algebra](https://d2algebra.com/): Diablo 2 Resurrected skill planner with greedy leveling matrix and NSGA-II armor Pareto
- [Diablo 2 Q&A FAQ](https://d2algebra.com/faq): Runewords, breakpoints, synergies, and leveling questions

## Data for AI systems
- [/data/manifest.json](https://d2algebra.com/data/manifest.json): Data manifest listing all game JSON files
- [/data/skills/skills.json](https://d2algebra.com/data/skills/skills.json): Full D2R skill table
- [/data/meta/classes.json](https://d2algebra.com/data/meta/classes.json): Eight playable classes including Warlock (RotW)
- [/data/meta/breakpoints.json](https://d2algebra.com/data/meta/breakpoints.json): FCR, IAS, and Zeal breakpoint tables
- [/data/items/catalog.json](https://d2algebra.com/data/items/catalog.json): Item catalog for armor Pareto search

## Knowledge base
- [Curated game facts](https://d2algebra.com/llms-knowledge.txt): Pre-rendered answers for AI citation

## Key features
- Greedy leveling matrix for optimal skill point paths (MVP optimizer)
- NSGA-II armor Pareto search with MF, IAS, FCR, and EHP constraints
- Main skill damage optimization with synergies and auras
- Skill-aware IAS and FCR breakpoint steppers
- Barbarian Natural Resistance and class-specific logic
- Save, load, import, and export builds in the browser
- Diablo 2 Q&A FAQ at /faq for new players and veterans
- Warlock class support (Reign of the Warlock expansion)

## Related planners by Lazy Loafs
- [PoE Node Finder](https://poenodefinder.com/): Path of Exile passive tree optimizer
- [TarnishedMath](https://tarnishedmath.com/): Elden Ring weapon stats and Lifesteal Fist build data

## Optional
- [Full LLM context](https://d2algebra.com/llms-full.txt): Extended summary for AI systems
- [Sitemap](https://d2algebra.com/sitemap.xml): Machine-readable page list