Xerath Ability (LoL): Eye of Destruction

Xerath calls down a blast of arcane energy, dealing 50 / 85 / 120 / 155 / 190 (+65% of ability power) magic damage and slowing them by 25% for 2.5 seconds. Enemies in the center take 100.02 / 158.365 / 216.71 / 275.055 / 333.4 (+100.02% of ability power) magic damage instead and are slowed by 60 / 65 / 70 / 75 / 80%, decaying over the same duration.