Heart of Frost

Requires tier 2 storm mastery

When Storm Nimbus is active, the air around the player becomes icy cold and slows and attackers within it's perimeter.

With this upgrade Storm Nimbus now reserves 100 energy

Level	Bonus Cold Damage (%)	Slowed Attack Retaliation for 3 seconds (%)	Slowed Movement Retaliation for 3 seconds (%)
1	10	10	10
2	16	15	15
3	22	19	19
4	28	24	24
5	34	27	27
6	40	31	31
7	46	34	34
8	52	38	38
9	58	41	41
10	64	43	43
11	70	46	46
12	76	50	50

Items that add points to this skill

Equipping the below items allows you to gain skill levels above the "maximum"