
2 Piece
Nightmarish Power
Final blows to a challenging combatant or higher-ranked target grant Unstable Essence. When you have Unstable Essence, you receive grenade and melee stat bonuses.

4 Piece
Nightmarish Resilience
When you have Unstable Essence, rapid weapon damage or final blows heal you and begin health regeneration.
Armor Set Bonuses
Every armor set and what its 2-piece and 4-piece bonuses do.