Awaken Chaos Era Remove Negative Effect is a skill that allows a hero to remove negative effects from self, target or all allies (AoE) that was applied by the enemy. It’s beneficial to remove these negative effects early on to avoid being subjected to decreased in survivability or damage output based on the negative effect characteristics. Removing negative effect is also known as cleansing debuff. There are 3 types of application to cleanse these debuff, which are Self, Target~Random and AoE (Area of Effect).