Prior to Update 21, this ability increased Health by a percentage instead of a fixed value, and changed the level requirements from 10, 20, and 40 to 5, 15, and 30.
In Update 29, immunity to the Chilled status effect was removed from this skill.
Gain 9% Max Health and 2079 Cold Resistance → Increases your Max Health by 1000 and your Cold Resistance by 2310. You are immune to the Chilled status effect.