Primal Past Life Stance: Spell, unarmed, melee, and ranged attacks have a 7% chance to produce a random effect. Additional stacks of this Past Life feat reduce the triggered effect cooldown from 30 to 20 and then 10 seconds. (Random effects are mostly extra damage or debuffs on the target.)
Passive Bonus: For each stack of this Past Life feat you gain +3 maximum HP and an additional +4 maximum HP per ten character levels.