 For example, the active ability "Ion Wave" allows the player to punch the ground and send a shockwave of lethal projectiles to take out surrounding enemies.A passive ability is usually applied at all times, such as quick recharging of the player's transformation bar, but some passive skills such as "Counter Guard" could be used to counter player attacks.Skills must be equipped prior to starting a match, and have a limited number of matches where they can be used, before they are destroyed.