Immunity

Reduces all negative effects from stimulants, food, water (1% per level → +50% at Elite Level)

Reduces poison effect force (1% per level → +50% at Elite Level)

Increases painkiller action time (0.6% per level) (+30% at Elite Level)

Elite level: Chance to gain immunity to negative effects from stimulants, food, water (+90%)

Elite level: Chance to gain immunity to poisons (+90%)

Using and surviving the negative effects of Stimulants and Provisions

Completing the quest Crisis

Completing the quest The Huntsman Path - Relentless

Completing the quest Get a Foothold