What is an “Active Skill”? Agent #2 October 12, 2018 20:57 Follow An active skill is a bonus or positive effect that the player can choose to use once it is fully charged. Related articles How do I use an active skill? How do I obtain and upgrade a skill? How do I charge an active skill? What is Castle Level? What is the Altar and what is it used for? Comments 0 comments Article is closed for comments.