Since the fall of the Bastion of Twilight, Yor'sahj the Unsleeping has eagerly assisted Deathwing, providing the Destroyer with the means to release more faceless ones from their prisons deep beneath the earth. Their numbers are endless and their power is beyond reckoning, and Yor'sahj intends to reap a grim reward for his faithful service.
During the battle, Ultraxion will grow increasinly unstsable with barely-contained Twilight energies.
Unstable Monstrosity: Growing Twilight instability causes arcs of Twilight energy to erupt from Ultraxion's hide, inflicting 400000 Twilight damage every 6 seconds, split evenly amongst enemy players in the Twilight Realm and within 30 yards of the target. Every minute that Ultraxion remains in combat reduces the time between arcs by 1 second, to a maximum rate of one arc per second. In addition, the instability prevents Ultraxion from dodging or parrying attacks, and allows attackers to explot weaknesses from any angle.
Twilight Shift: At the beginning of the battle, Ultraxion pulls all enemies with him into the Twilight Realm where they can bear the full brunt of his powerful Twilight assaults. Being pulled into the Twilight Realm grants players the Heroic Will ability.
Heroic Will: Steels the caster's mind to resist the forces of Twilight. Pulls the caster out of the Twilight realm for up to 5 sec, but renders them unable to attack, cast spells, or move while concentrating.
Fading Light: Sucks the light out of the target, drawing them into Twilight over 5-10 seconds. Upon expiration, targets in the Twilight Realm will be instantly killed. Targets in the normal realm will be pulled into the Twilight Realm, and all threat against Ultraxion will be reset. Additionally, no threat will be generated for 10 sec.
Hour of Twilight: The Hour of Twilight falls upon Ultraxion's foes. Enemies caught within the Twilight Realm take 300000 unresistable Twilight damage. Enemies within the normal realm are instantly pulled back into the Twilight Realm. If two enemies are not hit by Hour of Twilight, the Aspects will take the full brunt of the attack, disrupting the shield protecting the Aspects and heralding the end of all life on Azeroth.
Looming Darkness: When struck by Hour of Twilight, powerful waves of Twilight energy course through the victim, rendering them more susceptible to the harmful effects of Hour of Twilight. Additional damage taken by Hour of Twilight will instantly kill the target.
Twilight Burst: When no targets are within range of his powerful claws, Ultraxion expels a powerful burst of Twilight energy, inflicting 75000 unresistable Twilight damage and increasing magical damage taken by 50% for 6 sec. Stacks up to 100 times.
Twilight Eruption: After 6 minutes have passed, Ultraxion's instability reaches uncontainable levels, erupting outwards as a massive explosion that destroys all nearby foes and Ultraxion himself.