Lvl	Effect	FP	Duration
1	Atk Power +40%	60	0:05
2	Atk Power +42%	65	0:07
3	Atk Power +44%	70	0:09
4	Atk Power +46%	75	0:11
5	Atk Power +48%	80	0:13
6	Atk Power +50%	85	0:15
7	Atk Power +52%	90	0:17
8	Atk Power +54%	95	0:19
9	Atk Power +56%	100	0:21
10	Atk Power +58%	110	0:23

Increases the power of the knuckle. Uses one Skill Poster.