Arc of Humor

Arc of Humor (質のアーク Tachi no Āku) is a rare form of Lost Magic currently employed by Guild Master, Kakuzen Akabashi.

Trivia

 * is the term in which the word, Humor in this magic is derived from. It was the theory in which four bodily fluids made up the body, and an imbalance of such fluids had a specific impact on the individual's personality and health.