What's a little violence between comrades? This looks like perfectly sane behaviour, as far as Serph's concerned.

Having met Ren and having seen his Persona, the connection between Ren and Akechi becomes more apparent. But Serph doesn't comment on the incomplete images appearing on the waters' surface, keeping his gaze on Akechi out of respect for Akechi's desire for privacy even as it's being breached.

"I won't force you to do anything you don't want to." There's the smallest of smiles curling at the corner of his mouth. "But it's a nice reminder that we aren't alone."