|“||The Oboro style is powerful enough to strike down a monstrosity such as Wanyuudo? My hatred for you burns even hotter and brighter than before, Jinkuro Izuna.||”|
–Rankai, Act 2 Muramasa: Rebirth
Rankai (乱戒 らんかい, Rankai), an evil monk, chases after Momohime who has a deep-seated grudge against Jinkuro. Before his baptism, he was a swordsman named Kogorota Buaku, called by many the "Lion of Owari". However, he was crippled in a fight with Jinkuro before he took over Momohime's body.
|I like you humans, so let me give you a warning!|
"This article contains spoilers! Venture onwards at your risk."
In Momohime's first ending, upon seeing Fudo-Myoou, Rankai changes his ways and becomes a traveling monk, accompanying Momohime, to atone for his sins.
Rankai is also seen in Okoi's first ending when he visits a shrine where the powerless Miike now resides.