Tier 5 (Hero Level 13)
Each second an enemy is damaged by Frozen Tempest, it deals 12.5% bonus damage, up to a 50% bonus.
Patch changes[]
(Patch March 14, 2017) Note: Moved to Level 13.; New functionality: Frozen Tempest does 12.5% increased damage per second to enemies, up to 50% bonus damage (over 4 seconds).
(Patch May 17, 2016) Note: Biting Cold (Talent) moved from Level 13 to Level 4; Damage bonus reduced from 50% to 30%.