The Desert Sector
The Desert Sector (also referred as Desert Region in Season 1) is one of the four surface sectors of Lyoko. It is also the one with the most dangerous monster attacks. Most of the creatures can get around easily here. The Desert is made out of a collection of dry, rocky plateaus. There is very little greenery, as there are only withered trees scattered here and there. Here, X.A.N.A. can create sandstorms, break apart the plateaus, and even tilt them at 90° angles to immobilize the Lyoko Warriors. The Desert is made up of two levels: the lower and higher levels. The higher level's plateaus are very large and most towers in the sector can be found here.
The lower level's plateaus are very small, and small sharp rocks are littered.
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In The Pretender, X.A.N.A. possessed Aelita and used her to completely destroy the Desert. However, Jeremie and Aelita manage to recreate the Desert Sector in Double Take as it was the first surface sector to make a reappearance.