Rio places Mere in charge during his absence to revive Kata. Mere eventually began to distrust Kata and his methods, deciding to revive the other Kenma to save Rio. However, she becomes Rageku's disciple after he recognizes her strength is superior to Rio's. While trying to help Rio, she is repeatedly tricked by Long, and breaks her personal taboo about dishonesty. She accompanies Rio to Jūgenkyō, where her potential is unlocked due to SaiDain's Beast Power Bloom, despite being undead. She joins Rio in learning how to harness the power Gen Jūken offers, undergoing the Blood-Oath Ceremony which resulted in her being reborn as a Genshou with mastery over the style, which focuses on fire-based attacks.