Dual Weapon - Dragon Age II wiki

Backstab

The lighning-quick rogue vanishes in a smoke screen and reappears behind the enemy with a fierce strike to the back.

Physical Damage: 30
Physical Force: 2x

Cost: 20 Stamina
Cooldown: 15s

     Perforate

     Backstab now coools down more quickly, allowing the rogue to use it more frequently.

     Cooldown: -5s

     Murder

     The rogue exploits weaknesses in an opponent's defenses when using Backstab to inflict extra
     damage.

     Critical Chance: 100%

Unforgiving Chain

For a short time, every basic melle attack the rogue executes in rapid succesion increases the chance to score a critical hit. Activating any other talent cancels the effect, but Explosive Strike can exploit the chain for extra damage.

Critical chance: Stacking +2% per hit, up to 10 hits.

Explosive Strike

The rogue completes the combo built up by Unforgiving Chain. Every basic melee attack that the rogue completed immediately prior to using Explosive Strike increases the damage inflicted by breaking the chain.

Phyiscal dam