Critical Hits: Improved Damage - World-shaking (20 x 3)
CombatDamage RollCritical Hit World Shaking
When a critical weapon or spell attack occurs: Roll a d20 again, if a natural 20 occurs again, roll ANOTHER d20. If another natural 20 occurs (x3 d20 rolls on the attack roll): Damage is increased by x8 of the critical damage.