Boss Database
Borderlands 4 Bosses & Raid Bosses
12 named bosses from world bosses to raid encounters. Each entry lists weaknesses, drops and the regions you find them in. Walkthroughs for the major fights live in Walkthroughs.
| Boss | Type | Region | Level | Weakness | Notable drops |
|---|---|---|---|---|---|
| Ava (Encounter) | Story Encounter | Story Act 2 | Lv 22-26 | any | 1 drops |
| Divisioner | World Boss | Wireworks Bunker | Lv 35-40 | shock, crit-spine | 3 drops |
| Dust Baron | World Boss | Endgame Wastes | Lv 44 | fire | 2 drops |
| Harlowe's Shadow | Story Boss | Story Act 3 | Lv 28-30 | any-element | 1 drops |
| MUTT | Side Encounter | Multiple regions | Lv 18-44 (scaling) | any | 1 drops |
| Ordonite Processor | World Boss | Shalashaska Refinery | Lv 45-50 | corrosive, crit-vent | 1 drops |
| Rust Tyrant | World Boss | Endgame Wastes | Lv 42-46 | corrosive | 2 drops |
| Shalashaska Prime | World Boss | Shalashaska Refinery (deeper) | Lv 48 | radiation | 2 drops |
| Stone Demon | World Boss | Cursed Mine | Lv 40-45 | fire, crit-eye | 2 drops |
| Vault Keeper (Raid Tier 1) | Raid Boss | Raid Tier 1 | Lv 50 | fire, shock | 2 drops |
| Vorath the Unmade | Raid Boss | Raid Tier 2 | Lv 50 | shock, corrosive | 3 drops |
| Wirework Overseer | World Boss | Wireworks Bunker (deeper level) | Lv 38 | shock | 2 drops |