AC Odyssey Spear Of Leonidas Location And Upgrade Details

Posted on 2 October 2026 | 89
News

In Assassin's Creed Odyssey, the Spear of Leonidas serves as one of the most vital artifacts, replacing the traditional hidden blade as both a key weapon and the source of your character's demigod abilities. Inherited from King Leonidas of Sparta, this broken piece of Isu technology carries deep historical power and defines your combat effectiveness throughout ancient Greece. Understanding how to locate and upgrade this central artifact is crucial for unlocking advanced skills and maximizing your combat potential.

Where to Acquire the Spear of Leonidas

Players do not need to search far across the map to initially find the Spear of Leonidas, as it is equipped from the very beginning of the adventure on Kephallonia. The spear is bound to the main protagonist, Alexios or Kassandra, through their bloodline connection to King Leonidas. However, its true power remains dormant until you progress through the early stages of the main story.

To unlock the ability to enhance the artifact, you must complete specific narrative milestones in Chapter 3. After meeting Herodotus and setting sail on the Adrestia, the story leads you directly to the mysterious Forge of Hephaistos located on the island of Andros. Visiting this ancient Isu sanctuary opens the path for permanent artifact improvements.

Locating the Forge of Hephaistos on Andros

The Ancient Forge is hidden within a massive Isu structure on the eastern island of Andros. Players will naturally travel to this location during the main quest titled Awakening the Myth. Once you arrive at the island's shore, follow the objective marker to a giant sealed door that responds specifically to the spear.

Interacting with the portal inside the cave allows you to insert the spear into the ancient altar. This process triggers energy enhancements that restore lost capabilities and expand your overall skill ceiling. Returning to this forge becomes necessary whenever you gather enough materials for subsequent tier upgrades.

How to Upgrade the Spear of Leonidas

Upgrading the spear requires a special resource known as Cultist Artifacts, which are dropped exclusively by members of the Cult of Kosmos. As you track down and eliminate targeted cultists across different branches, you automatically collect these triangular ancient fragments. Accumulating specific amounts allows you to return to Andros and empower the weapon further.

The spear can be upgraded through six distinct levels, with higher tiers requiring significantly more artifacts. Reaching Tier 6 requires defeating a total of 32 Cult of Kosmos members scattered throughout the Greek world. Managing your targets efficiently ensures steady progression alongside the main storyline.

Benefits and Perks of Upgrading the Artifact

Each upgrade tier applied to the spear grants immediate, permanent benefits to your character's overall performance. Enhancing the artifact increases your maximum Health, Adrenaline segments, and the potency of your active abilities. Higher tiers allow you to equip secondary ability wheels, offering much greater tactical versatility during intense battles.

Furthermore, upgrading the spear unlocks higher skill ranks in your Hunter, Warrior, and Assassin trees. Without advancing the spear's level at the forge, powerful tier-three abilities remain locked regardless of your character's level. Investing time into cultist hunting directly translates into superior combat flexibility and survival strength.