You have studied the art of subdueing someone with out dealing permanent damage. Gain proficiency in Unarmed Strikes.
Additionally, you may make an unarmed attack against a living creature using your Dexterity modifier. If the attack succeeds, the target takes no damage but must succeed on a Constitution saving throw (DC 10 + your tier + your Dexterity modifier) or be paralyzed for 1d4+1 rounds.