durindana (fate)

The spear wielded by Hector. It is a sword that can have its hilt extended, making it resemble a partisan. It would later become known as Durandal after losing its ability to switch to spear form. Mandricardo ends up wielding it in its sword form during the events of the Atlantis Lostbelt, able to unleash its full power due to his connection with Durandal.

Spear form

Sword form