He stopped as soon as Aidou stopped walking, harbouring no intention whatsoever, to start another fight. They kept staring at each other for about almost a minute, before Aidou blurted out a 'what?'

"Since I don't have anything else to do at the moment, I will follow you and your friends, perhaps to have a bit of fun with those giant bats."

The translation, being 'I really don't know what to do with myself, so I'm indulging in random violence.'