The Power of the Onikirimaru - S1.E13

Tamaki and the guardians, desperate not to let Logos get the katana that holds Onikirimaru, stand up and fight with the rest of their strength and are prepared for the worst. Tamaki awakens as the Tamayori Princcess and saves Takuma from himself. This in turn helps Takuma to control the power of the katana. Devastated, Aria and the Logos leave.