Opponents would be foolish to underestimate you, even if you appear unarmed and helpless. You are practiced at turning the tables on armed foes and using their own weapons against them.
If you succeed at a disarm attempt without using a weapon and choose to pick up the disarmed weapon, you can attack with that weapon as though you were proficient with it until the end of your next turn. If you are already proficient with that type of weapon, you gain a +2 morale bonus to your attack rolls with that weapon until the end of your next turn.
Normal: Attempting to disarm a foe while unarmed imposes a –4 penalty on the attack.
Pathfinder Player Companion: Martial Arts Handbook © 2018, Paizo Inc.; Authors: Thurston Hillman, Mikko Kallio, Jacob W. Michaels, Matt Morris, Daniel Reed, Mikhail Rekun, Mark Seifter, and Jeffrey Swank.