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The Spear of Leonidas, also known as the Blade of Leonidas, was a Piece of Eden wielded by King Leonidas I of Sparta at the Battle of Thermopylae. Following his death, Leonidas' now broken spear was passed on to his daughter Myrrine, and then to his granddaughter Kassandra.

During Kassandra's quest to locate her family and destroy the Cult of Kosmos, Kassandra regularly visited the Ancient Forge to enhance the Spear's combat efficiency, structural durability, and supernatural power through the use of Isu Artifact Fragments.


The first known human to wield the spear was Leonidas himself, who wielded it during the Battle of Thermopylae and killed many Persians with it.[1][2]

Kassandra left the Spear to Herodotus as something to remember her by once its power was exhausted. The Spear was subsequently buried beneath the Book of Herodotus and laid untouched for centuries until 2018 when both objects were recovered by Layla Hassan. Using Kassandra's DNA found on the Spear, Layla was able to relieve her memories through the Animus.[3]


The Spear was able to bestow upon its wielder enhanced strength, as well as grant them access to myriad other supernatural abilities. The Spear seemed able to harness its wielder's adrenaline to produce supernatural effects, such as cloaking its user, regenerating health or harnessing some of the natural elements such as poison and fire. It could even briefly increase the wielder's speed and reflexes, charge arrows with explosive energy, produce shockwaves and augment arrows so they could phase through walls. While quite literally granting its wielder god-like powers and abilities the spear did in fact have a limited amount of power and turned back into a normal spear when depleted, though this well of power appeared to be quite extensive as the spear was liberally used by Leonidas, Myrrine and finally Kassandra.[4]



  • The Spear effectively replaces the Hidden Blade in-game, and is used as the historical protagonist's main weapon of assassination.
  • When not being used in combat, the Spear is holstered on Kassandra's quiver, while in combat it is dual-wielded as an off-hand weapon.
  • From a gameplay sense, the Spear takes reference from the Pieces of Eden encountered in past games. However, the impetus here was to let players wield an Isu artifact throughout the game rather than just at the end of it.[5]
  • A replica of the spear is available in the Medusa Edition of Assassin's Creed: Odyssey.
  • In the memory A Mother's Prayers, even if the Spear is upgraded using the Ancient Forge, when Kassandra presents it to Myrrine, it appears in its default, broken state.
  • The fundamental concept of the Spear of Leonidas is similar to that of the the Dagger of Time from Prince of Persia: The Sands of Time, another Ubisoft property. Both are weapons of the gods that provide numerous powers to the protagonist and are dual-wielded with other weapons.




  1. Assassin's Creed: OdysseyBattle of Thermopylae
  2. Assassin's Creed: OdysseyMemories Awoken
  3. Assassin's Creed: Odyssey
  4. 4.0 4.1 4.2 4.3 4.4 4.5 4.6 Assassin's Creed: Odyssey
  5. Game Informer #105: Create Your Own Creed