Arkenel

Conjures an Ice Wall 30 yards long that obstructs line of sight. The wall has 30% of your maximum health and lasts up to 15 sec.

Summon a strong Blizzard that surrounds you for 6 sec that slows enemies by 70% and deals 629 Frost damage every 1 sec. Enemies that are caught in Snowdrift for 2 sec consecutively become Frozen in ice, stunned for 4 sec.

The cooldown of Mass Invisibility is reduced by 3 min and it can affect allies in combat.