[Arts] Joint Penalty: Chain Heart

* The number of targets for [Joint Penalty] is changed to 1, and that target receives 100% increased damage from the caster.{nl}* When you attack an enemy inflicted with [Joint Penalty], there is a 50% chance for the caster to recover HP equal to 1.5% of the damage dealt.{nl}* Duration: 20 seconds{nl}* Increases the cooldown by 40 seconds.{nl}