: Summons the wind to concentrate on the edge of the sword and launches a fierce attack on the opponent. Level 1 increases damage by 3%. Level 10 increases damage by 30%. You may not have both this and [Heavy Strike] at the same time. Uses 20 points of mana, and has a cast time of 0.2 seconds. Level requirement is 30 and consumes 1 point of charm when learning it!