Mammoth is a perk. Perks are unlocked through contracts and Perk Amulets, and upgraded as described on the Perks page.
Levels[edit]
Level text as shown in the perk menu in game.
- I: Heal -40% from all sources, but have +3❤.
- II: Heal -40% from all sources, but have +6❤.
- III: Heal -40% from all sources, but have +9❤.
- IV (with a Perk Pusher): Heal -40% from all sources, but have +12❤.