"I won't." Oliver smiled, stupidly fond. "But really, don't worry too much. He's not someone that gets angry because of such things." Percy could get really upset when people pranked him, but Oliver was convinced he'd know this had been a slip of the tongue and not something done to harm him.
"Aye," Oli agreed. It as a pretty obvious change of topic, but he was more than willing to go along with it. "You think we should? I think that could count as espionage," he joked. They were on opposing teams after all, but Oli couldn't find it in himself to feel as passionate about it as he usually did. Maybe that'd come with playing.