Mercenaries system guide for Diablo 4 Season 6 — hire NPC companions.

How Mercenaries Work
- Talk to Mercenary NPC in town
- Choose contract (3-day or 7-day)
- Pay gold upfront
- Mercenary fights with you
Benefits
- +XP bonus while active
- Tank damage in combat
- Special abilities per mercenary
Best Mercenaries
- Subo — top-tier tank
- Aldia — healer
- Varyana — DPS