Frost Spheres - Drop Permafrost underneath when killed.

Permafrost - Circular area with ~10 yards radius. Slows movement speed of everyone on top of it by 30%, prevents Nerubian Burrowers from burrowing. Permafrost hit by Pursuing Spikes will disappear, removing the Spikes as well.
No anda, no hace desaparecer las spikes. Champions no castean casi nada y no tienen loot.