Strengthened Synapses - The Witcher 3
Mutation
Blood and Wine
What Strengthened Synapses does in The Witcher 3
Each of Strengthened Synapses' 2 Stages unlocks an additional Ability slot in the Character Panel. Abilities activated in these slots must match the color of the currently active mutation. Research more mutations to advance Strengthened Synapses to the next stage.