Ultima Blade

The Ultima Blade was a legendary sword found by Bayek of Siwa.

Description
Only a blade forged in Insomnia would tirelessly absorb the life-force of fallen foes.

Trivia

 * Part of the collaboration event between Assassin's Creed: Origins and Final Fantasy XV, which also included the Ziedrich shield and a Chocobo mount called Kweh.

Reference

 * Assassin's Creed: Origins