King Leonard and King Caesar are brothers. They were chosen to rule the EXO planet. They were chosen to fulfill the scripture.

According to the scripture, an evil force will invade their planet and only the chosens could defeat it.

The kings one day realized they can't protect their planet by themselves. They went to the hill, known as Hill of Saesang and prayed to their gods.

The day after, their trouble were answered. A tree grew on top of Saesang Hill. It has exactly twelve fruits that are seen for the first time. It was illuminating and all can see how bright it was. It was so beautiful, King Leonard tempted to touch it but a lightning struck him. Everybody was worried.

Twelve young boys came out from the tree and each took a fruit. Each fruit turned into necklace with different emblem.

The twelve boys wore the necklaces and headed to King Caesar. They told him their names and showed what they can do.

Sehun, ability to control the wind.

Kai, ability to transport from one place to another.

Tao, ability to control time.

DO, ability to control Earth.

Chanyeol, ability to control fire.

Chen, ability to control lightning.

Baekhyun, ability to control light.

Lay, ability to heal.

Suho, ability to control water.

Kris, ability to fly.

Luhan, ability to move things.

and lastly, Xiumin, ability of frost.

They were sent by the go