P. Atk. +20% P. Skill Critical Damage +5% PvE damage bonus +15% P. Skill Power +5% <Skill upgrade> Dual Blow → Triple Blow - Increases number of attacks (2 → 3). - Increases attack power. - Decreases cooldown. Fire Explosion - Increases number of attacks (1 → 2). - Increases number of targets (3 → 8).