Sword of the Beast

The is Kukochihiko's Noble Phantasm. It was created by the Ancestral Beast with its black blood and bears Mystery from the Age of Gods.Fate/Grand Order - GUDAGUDA Shin Yamataikoku, Seventh Cup: Sword of a Wild Beast
Okita Souji Alter claims that there is something strange about it, as she can't tell whether it is hiding its true power, or if its true power has left it.Fate/Grand Order - GUDAGUDA Shin Yamataikoku, Sixth Cup: Decisive Battle! The Dark Battle of Sekigahara Nevertheless, its power uses the beast god's blood as its root, dealing black wounds that erode the bodies of the person wounded by it. It carries a disease that drains the victim's intelligence, turning them into a mindless beast. Not even Iyo can do anything about it. While it isn't powerful enough to destroy Okita Alter with a single direct blow, it severely weakened her and caused her to go unconscious. He tried to kill Sen-no-Rikyu with it as well, but it failed.Fate/Grand Order - GUDAGUDA Shin Yamataikoku, Eighth Cup: Ancestral Beast
==References==
Category:Noble Phantasms
Category:Unknown rank Noble Phantasms
Category:Unclassified Noble Phantasms
Category:Noble Phantasms introduced in Fate/Grand Order
Category:Swords