Blood Blade

The Blood Blade is a sword that is set to appear in Hanyō no Yashahime. It was first mentioned by Tōtōsai and confirmed by Jyūbei when questioning about the mark on Setsuna's right arm.

Abilities and Techniques
The Blood blade resides in Setsuna's Right Arm and can extend be used to slash and infuse energy into blades such as Kanemitsu no Tomoe's blade.

Season One

 * "Oh, looks like the training of the Blade Blood has begun."
 * "I believe this is a Blade Blood."
 * "Blood Blade?"

Season 1

 * Episode 22 (Hanyō no Yashahime) (first mentioned by Tōtōsai and appearance)
 * Episode 23 (Hanyō no Yashahime) (first usage)
 * Episode 24 (Hanyō no Yashahime)

Season 2: The Second Act

 * TBA (first appearance and use)

Trivia

 * Much like that of Bakusaiga coming from Sesshōmaru's body, the Blood Blade came from inside of Setsuna's body.