Darth Nihilus

Deal Special damage to target enemy and Dispel all buffs on them. If any buffs were dispelled, reduce the cooldown of Drain Force by 1

Deal Special damage to all enemies with a 50% chance (doubled against debuffed enemies) to increase their cooldowns by 1, which can't be resisted. For each enemy whose cooldowns were increased, reduce the cooldown of Annihilate by 1.

Instantly defeat target enemy. Nihilus gains Max Health equal to the target's Max Health. The defeated target can't be Revived. This ability can't be Evaded and starts on cooldown.

Sith allies gain 60% Offense and 150% Health Steal. Sith allies lose all Protection and gain that much Max Health. Sith allies are immune to Healing effects that aren't Health Steal and can't score Critical Hits.

At the start of each of his turns, Nihilus inflicts Damage Over Time for 2 turns on a random enemy that doesn't have any debuffs. If all enemies are debuffed, inflict Damage Over Time on a random enemy. At the start of each enemy turn, Nihilus inflicts Health Down on them for 2 turns. When allied Darth Sion or Darth Traya are inflicted with a debuff, Nihilus gains 10% Turn Meter and +30% Max Health (stacking) until the end of the encounter.