Tier 6 (Hero Level 16)
Enemies Rooted by Frost Nova take an additional 55 (+4% per level) damage each time they are damaged by Kel’Thuzad during the next 4 seconds.
Patch changes[]
(Patch November 14, 2017) Note: The Hungering Cold Talent will now correctly deal its bonus damage to non-Heroic enemies rooted by Frost Nova.
(Patch September 20, 2017) Note: Bonus damage reduced from 60 to 55.