Genryusai

Genryusai is a magical sword forged by Muramasa. It is also his personal weapon.

Summary
Muramasa crafted Genryusai when he was 36 years old using all his accumulated experience in craftsmanship and Eastern Magic he learned after travelling the world.

Appearance
Genryusai is a plain shirasaya katana with a natural wooden saya scabbard and a matching tsuka hilt made of Sakaki wood, a Shinto sacred tree. Aside from the black round tsuba and black tsuka-ito wrapped around the hilt, Genryusai lacks any other koshirae mountings such as a samegawa, and a kashira pommel.

Abilities
Genryusai is one of Muramasa's best masterpieces of mystical weaponry.