Mahouka Koukou no Rettousei

There is no law, only oniisama. When you can take out a group of high level executives and their bodyguards from over a mile away and not even leave bodies behind, what could possibly be a threat to you?

 Spoiler

Pretty sure the only people capable of doing permanent harm to him are top level Yotsubas, and he eventually beats the current leader 1 on 1 so thats hardly saying anything. His regeneration only works on physical damage, Yotsubas attacks damage your soul or some pomegranate, he can't regenerate that, at least not yet.