Sejuani Ability (LoL): Northern Winds

Sejuani summons an arctic storm around her which deals 12 / 20 / 28 / 36 / 44 (+10% of ability power) (+ 1 / 1.25 / 1.5 / 1.75 / 2% of maximum health) magic damage to nearby enemies every second for 6 seconds. Damage is increased by 50% against enemies affected by Frost or Permafrost.