Also known as: アウトシール
Gallia Sphyra: Outseal is Mai Natsume's spear. It is a replica of a type of ancient weapon created in a past age to combat beings with god-like powers, called a Legacy Weapon. Outseal is able to quickly heal the wounds of its wielder, it can change direction mid-flight and home in on its target and it has the ability to injure or kill immortal beings, inflicting wounds that cannot be easily recovered from.