It was one of the blades wielded by Kozuki Oden, and is the only weapon to ever cut Kaido deep enough to leave a scar. Zoro obtains Enma from Hiyori in chapter #953 in exchange for letting go of ...
It is also when Zoro realizes he has conquerors’ haki. He uses this newfound technique to attack Kaido and successfully scar the emperor. In the series, only a few characters have accomplished ...