The power to crystallize blood in order to form weapons and tools. Combination of Crystal Manipulation and Blood Manipulation. Variation of Crystallization and Solidification.
- Blood Hardening/Solidification
The user can solidify, or crystallize, the blood within themselves or others to use as weapons and/or tools.
- Usually the change is temporary and short-lived.
- May be unable to revert subjects/objects if melted to original form.
- May need to stay in physical contact.
Peta (Marchen Awakens Romance) has the ability to freeze the blood he’s absorbed to stab his enemies.
The Saint Fighters (Code: Breaker) solidifying their blood into weapons.
Yukihina (Code: Breaker) using his Shape of Water ability to control his blood by vaporizing it, and then freezing it inside Heike's body.
Isaac McDougal (Fullmetal Alchemist: Brotherhood) using his water alchemy to make a spear of blood.
Kuroudo Akabane/Dr. Jackal's (Getbackers) Bloody Sword.
Senji Kiyomasa (Deadman Wonderland) making a blade of blood from his arm.
Gray Fullbuster (Fairy Tail) unleashes his blood-enhanced Ice Blade technique.
Lenalee (D.Gray-Man) after regaining her innocence, it was then reforged through her own blood giving it a new more powerful form.
Yu Kanda (D.Gray-Man) after Kanda returned he reclaimed Mugen and it shaped into a more powerful and durable blade from from his own blood.
Mirai Kuriyama (Kyoukai no Kanata/ Beyond the Boundary) manipulates her blood into a sword.