Morgana Ability (LoL): Tormented Shadow

Morgana ignites the ground for 5 seconds, dealing 6 / 11 / 16 / 21 / 26 (+7% of ability power) magic damage per second, increased by up to 170% based on the targets' percentage missing health. This ability's cooldown is reduced by 5% every time Morgana is healed by Soul Siphon.