[MA] Possible Perk: Lower-Body Focus

[Flameblade]

I'm not terribly concerned with realism here only balance issues, as this perk is more for the archetypical fighting game character who only uses kicks and leg-grapples. As to leg-based grapples, I'm aware of the rules for them, thus the inclusion of a grappling variant of the perk, removing the -2 DX or skill penalty for leg-based grapples and moving them to arm-based ones.