Anubi

Aren (mountain of strength) later Anubi: Rider for Anubis- Egyptian god of Death Weapon: ceremonial dagger and Tutankhamun's sword Mount: Hippopotamus Power: Death

History
Aren was a shaman who repeatedly disturbed the rest of spirits under Anubis's care. Anubis eventually appeared before him and gave him two choices: Give up his prior identity and become a Rider, or be fed to Ammit. He chose the former.

Mount
To remind him what fate was in store for him should he defect, Anubis gave him a third of Ammit as a mount. The crocodile was unsuited to it, and the lion too noble, so Anubi was stuck with a recalcitrant hippopotamus.