Koumyou takes the cloth with a murmured thanks, and uses it to clean his face.

"All Sanzos inherit their sutra over the dead body of their predecessor. One way or another."

They weren't always the one to kill their predecessor, but it wasn't unheard of.

"Goudai was wasting away... collapsing sometimes, coughing up blood. I sometimes think Muten was eating him from the inside, like an acid. I think he just wanted it to be done quickly."