Updated for patch 10.1
Launches a bouncing fireball at the farthest enemy. The fireball bounces to a random enemy within 3 hexes of the last enemy hit up to 5 / 6 / 20 times, dealing 225 / 300 / 600 magic damage with each bounce.
Inferno spell damage and critical strikes burns the area beneath the target, dealing a percentage of that spell's or crit's pre-mitigation damage as magic damage over 4 seconds, with each tick occuring every 0.5 seconds.