A dark fantasy action RPG released in 2000 that refined the loot-driven hack-and-slash formula with randomized dungeons, class builds, and online co-op via Battle.net.
- Developer: Blizzard North
- Genre: Action RPG, hack-and-slash
- Platforms: Windows, macOS (2000); Remaster: Diablo II: Resurrected (2021)
- Mechanics: Procedural maps, skill trees per class, item sets/runewords, hardcore mode, trading
- Notable: Highly influential loot system, enduring online community, atmospheric art and music