Wrangler

Wrangler (ラングラー Rangurā) is the Quirk used by Kageyasu
Description
When this quirk is activated, Kageyasu's physical prowess, is increased to the limit, allowing Kageyasu to have the human limit of strength. When this quirk is activated, his body will emit an orange glow. When he has the quirk activated, he can attack with explosive power and has near perfect defense, making him, the ultimate sword and shield. If Kageyasu uses Wrangler at the maximum, it can be used at and goes all out, he could take down an entire building, by himself, though he can't use the maximum power of Wrangler for more then a few seconds.
Weaknesses
As mentioned above, when Wrangler is activated, his body has a orange glow, if the opponent can see this, in time, they can stay away and fight him from afar. Also, if he uses Wrangler's higher power outputs too long, his muscles will ache for days, according to how much power he used.