Blood Release: Reaper Equipped

Description
The user retracts two scythe-like blades of solidified blood out of his forearms, capable of extending out by numerous meters due to being in a netted pattern. They possess the physical properties of diamond, and are capable of slicing through, and withstanding attacks from, steel.

Trivia

 * This is based off of the Branch of Sin: Crow Claw from the anime/manga Deadman Wonderland.