The Ninja's Kage-kakushi garb appears to have obtained in the most fitting of ways for a Murder Hobo- taken off of Hanzo after we defeated him.

Ten Chi Jin is a bit puzzling since I feel there was no build up to it, and with mention of the 4th Mudra being thrown around like confetti in the quests once more I feel they got cold feet about giving it to us due to being unsure how to incorporate it.