"I was, and I wasn't even consciously trying to..." Yet here he is, able to breathe the air still. Just what does that mean for his physiology, especially when most of his body remains unchanged?

Following Donnie's lead, Akechi makes his way closer to the tanks, sizing them up with a quiet hum. "We may be getting closer to one of the generator parts, if there's still functional machinery. If we're lucky, the water damage won't be too severe..."