Unarmed Strike

Fists, feet, elbows and knees. An unarmed strike can't be disarmed and doesn't occupy a hand. Martial Arts ranks raise its damage: 1 rank 1d4, 2 ranks 1d6, 4 ranks 1d8, 6 ranks 1d10, 8 ranks 2d6, 10 ranks 2d8, 12 ranks 2d10.