Yggdrasil

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"From the life-tree we go, to the life-tree we shall one day return."

―Odin

Yggdrasil is an ancient supercomputer which was built by the Isu as an intended Seventh Solution to the Great Catastrophe.

Mythology

In Norse mythology, the concept of Yggdrasil was interpreted as a literal titanic ash tree whose roots and branches connected all of the Nine Realms, including Asgard, Jötunheimr, Muspelheim, Midgard, and Niflheim.

History

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During the Human-Isu war, several Isu triads became aware of an upcoming catastrophe which would result in both the humans and Isu facing extinction. Realizing that a solution was needed to counter the upcoming solar flare, some Isu triads choose to ignore the war and instead focused on finding solutions.

After many solutions had failed, the Father, the Mother and the Sacred Voice had come up with a Seventh Solution which might have a chance of succeeding. This seventh solution was called Yggdrasil, a supercomputer which can store an Isu's essence and reincarnate it into the human gene pool across eons. They eventually handed over Yggdrasil to the AEsir Isu triad, in order for them to use it.

Functionality

Yggdrasil is an ancient Isu Supercomputer which can best be described as the Isu's version of the Animus technology developed by Abstergo. The supercomputer is engineered with a myriad of advanced abilities. Some of these abilities include:

• Essence Containment – This allows users to upload and preserve their consciousness into the supercomputer.
• Reincarnation Inducement – The Yggdrasil is able to reincarnate the people stored in it as humans across the globe, similar to a Sage. So far, Yggdrasil managed to reincarnate Odin, Loki, Thor, Freyja, Tyr as well as numerous other unidentified Isu. It is unknown whether Yggdrasil had any part to play in Aita's reincarnations. The reincarnations could be identified with black spot on their necks.
• Simulation Functions – The Yggdrasil also create powerful simulations similar to the technology used in Animi. As discerned by Shaun Hastings, it appears to have been used to "generate and explore possible futures, alternate realities, and counterfactual stories." This shows that the Isu can use the Yggdrasil to effectively utilize the calculations. The Yggdrasil also has branches which can be used to hook users into the Yggdrasil and use its simulation functions. Basim took advantage of being hooked onto one of the branches by studying the calculations thoroughly.
• Biological Preservation - For some unexplained reason, the branches of Yggdrasil were able to keep Basim's body intact in a comatose like state for over a 1000 years, with minor visible decay. Whatever visible decay had vanished when the Staff of Hermes regenerated him back to life from his comatose state.

Appearances

• Assassin's Creed: Valhalla (first appearance)