Here is a very basic ability list (feel free to name and make suggestions):
Basic: Deal Special Damage with a 5% to inflict Deathmark
Special 1: Deal Special Damage to target enemy with 30% chance to do equal damage to surrounding enemies. {Dual Saber Throw}
Special 2: Deal Physical Damage to ALL characters remaining. Does more damage based on percent of teams health. Heals Starkiller for 50% of total damage dealt {Huge AOE, force implode}
Unique 2: Starkiller gains more damage for every defeated character (including Allies)
Max Health at Gear 10 7* Level 80: 9,117
Max Protection: 14,769