we literally saw him fight at marineford
run away from vista
couldnt injure jozu
ran away from shanks
mid diffed daz bonez
run away from vista
couldnt injure jozu
ran away from shanks
mid diffed daz bonez
That was a non-serious Mihawk who postpone the battle with Vista because Vista couldn't even touch Mihawk while he wasn't focused on him durinf their battle.
Mihawk bruised diamond user who was in their diamond form with an attack designed to cut flesh and blood.
Mihawk don't consider Shanks a challenge so he doesn't want to fight him.
Das Bones, who has a metal body, blocked an attack designed to cut rubber. Mihawk then no-diff Das Bones.
Mihawk didn't even use haki or a name attack testing while testing WB.