"I don't believe we ever got to see either's True Face." Considering one is a Lovecraftian elder god, and Katsuya isn't screaming for all eternity and clawing his own throat out in insanity, this is probably true.

"I think....it would have been preferable to watching Nyarlathotep wear my brother's face. ....Or my own." He shudders slightly. "To be honest we didn't interact with Philemon much. He was greatly weakened. Tatsuya seemed to know more about him than we did, but...then again, he'd also done this--something like it at least--already."