Iron Will Support

Strength's Damage Bonus applies to Spell Damage of linked skill(s).

Gem Leveling

Level	Required Level	Required Strength	Reduced Cast Speed	Experience to Level
1	15	22	19%	28,130
2	18	26	18%	47,943
3	21	30	17%	77,012
4	24	33	16%	118,383
5	27	37	15%	175,816
6	30	40	14%	254,061
7	33	44	13%	359,090
8	36	48	12%	703,128
9	40	52	11%	755,049
10	43	56	10%	1,426,490
11	47	61	9%	1,488,645
12	49	63	8%	1,964,019
13	52	67	7%	2,573,731
14	54	69	6%	3,351,223
15	55	70	5%	9,930,867
16	56	72		21,335,597
17	57	73	3%	50672586
18	58			90,018,415
19
20

Gem Quality

Each percentage of quality adds +0.75% Spell damage.