Spellbook - Power of Darkness

Spellbook needed to learn Power of Darkness\n\n<Acquiring Class>\nHell Knight\n\n<Skill Effect>\nEnhances attack ability with power of Darkness\n\n<Special Effect>\nShield Stun → Dark Sword Rain\n - Increases Attack Target\n - Increases number of attacks\n - Removes Stun effect\n - Triggers Critical\n - Defense Ignore is increased.