Ranks
What each point adds3 ranks
RankEffectAmount
Rank 1Increases the critical strike chance of your Backstab by 10% and your Mutilate by 5%, and gives Backstab a 15% chance to add an additional Combo Point.10%
Rank 2Increases the critical strike chance of your Backstab by 20% and your Mutilate by 10%, and gives Backstab a 30% chance to add an additional Combo Point.20%
Rank 3Increases the critical strike chance of your Backstab by 30% and your Mutilate by 15%, and gives Backstab a 45% chance to add an additional Combo Point.30%
Unlocking it
What you need first
5 points in CombatSpent anywhere in the tree