Piercing Cold

Mutation Blue (Signs)

When the Aard Sign is cast, it additionally has a 30% chance of freezing enemies. This chance scales with your available Adrenaline Points. Enemies knocked down and frozen simultaneously die immediately. Enemies who are not frozen are dealt an additional 1500 damage.

Research cost

3 blue mutagens 3 skill points

Every mutation you research advances “Strengthened Synapses” by one stage. Each stage unlocks an extra skill slot. Only skills matching the color of the active mutation fit there.