Also known as: ゼットセイバー
Zero (Mega Man)'s main weapon in the Mega Man X (Series) and Mega Man Zero (Series) series. It is a powerful Saber (Weapon) with a green energy blade (blue in some artworks). Zero received the weapon in Mega Man X2 after he was remodeled by Serges (Mega Man), and it has appeared in every chronological game since.