strike's the enemy's unprotected back with 59321 power and additionally inflicts bleed. over-hit. critical hit. half-kill. requires a dagger or dual dagger. enchant duel: increases pvp power. + 10 duel increases power during pvp. i have all attack skillz now +10 on duel ,but how many extra damage do i deal now at pvp whit duel i only want to know how much extra damage it is : + 10 duel increases power during pvp.