Morgana Ability (LoL): Tormented Shadow

Morgana ignites the ground for 5 seconds, dealing 18 / 31 / 44 / 57 / 70 (+20% of ability power) magic damage per second, increased by 0-100% depending on the targets' percentage missing health. This ability's cooldown is reduced by 5% every time Morgana is healed by Soul Siphon. Damage is increased by 170% towards monsters.