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"Ulrich, listen! Whatever you do, you got to stop the creepers from destroying the sphere."

"Why?" "Because that is the Heart of Lyoko! The direct access to all of the core programs of the virtual world! If the monsters destroy it, it's game over for good for Lyoko."

–Jeremie and Ulirch in "Straight to Heart."

Core of lyoko

The Heart of Lyoko (mainly called the Core of Lyoko) is located in the middle of Carthage. It is a large blue sphere containing an image similar to on the holomap: a small, gold sphere with the Eye of X.A.N.A. on it in the center, surrounded by the four surface sectors. It is protected by two powerful cube shields, although with some extensive effort, these shields can be destroyed, leaving the orb completely unprotected.

These shields are orb-shaped in Code Lyoko Evolution, and the surface sectors are no longer visible.

Description

It houses all of the programs on Lyoko, and if it were to be destroyed, all of Lyoko would disappear. The team can reach the Core Zone by using the Elevator to get to the Celestial Dome. The team must then ride their vehicles to the southern side of the Dome into an opening-and-closing entrance. The key lever must then be pushed to gain access for the stairs to the Core Zone.

The Core has two protective layers that can only take a certain amount of damage before it blow into pieces. Each shield layer destroyed causes the entire room to be covered in red streaks. Once all the layers are destroyed, the sphere can be destroyed with one simple hit, and Lyoko along with it in all spiral of golden light.

The sphere seems to also contain a holomap of Lyoko with all the sectors. If a sector were to be destroyed like in Lyoko it would disappear from it also.

Also, three data tunnels run through the Core.

History

The Heart of Lyoko was first found in the premiere episode of Season Three, Straight to Heart. The team were confused when no monsters were shown on the computer, except in a large room where they were all gathered. Jeremie ordered them to get there fast. Once there, the group found the monsters shooting at "some sort of blue ball." Jeremie informed them that, "If X.A.N.A. wants it destroyed, then it has to be important." Hearing this, the team began to defeat all of the monsters, until only Aelita was left. She then used a new power, her Energy Fields to destroy the remaining Creeper and save the Core.

Throughout Season 3, several attempts were made by X.A.N.A. on the Core in the AI's attempt to destroy all of Lyoko. X.A.N.A. destroyed the surface sectors one by one to try and prevent the Lyoko Warriors from reaching Sector 5, leaving the Core wide open for annihilation.

In Final Round, William was X.A.N.A.-fied and destroyed the Heart of Lyoko. When he destroyed it, all of Lyoko disintegrated, leaving only William floating in the network.

It later appeared in Code Lyoko Evolution, firstly in the episode Virus.  Aelita and Jeremy tested a virus which needed to be tested, and the Core was the perfect thing to experiment on. Aelita didn't use a vehicle to get down to the Core room via the south pole, but used the Elevator directly from the Labyrinth.

Appearances

Season Three

Season Four

Code Lyoko: Evolution (Season Five)

Gallery

Seasons 3-4

Season 5: Evolution

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