Cassiopeia Ability (LoL): Miasma

Cassiopeia spews venom, leaving toxic clouds for 5 seconds. Enemies in the clouds take 20 / 25 / 30 / 35 / 40 (+15% of ability power) magic damage per second, are poisoned, grounded, and slowed by 40 / 50 / 60 / 70 / 80% for the same duration.