Conquerers Haki

The user stares(at anything) intensely and create a shockwave that leaves everything under the users level knocked out for an hour.(roll 1d20 + dexterity have to get 3 more than target) Targeted enemies roll save throw 1d 20.(if they get 2 or 1 below users roll they are just out of breath)

At character level 15 you can choose who it knocks out

At character level 20 when you roll you gain +15 dexterity.