Castle of Ice

The Ice Emperor's Castle also known as The Castle of Ice, is a location where the Ice Emperor and his army of Blizzard Samurai live.

History
At some point in time, the Blizzard Samurai came into existence and begin their reign. While in the Never-Realm, they created The Castle of Ice in to act as a base.

Wasted True Potential
When Zane was dreaming, he saw a vision of the Ice Emperor's Castle.

The Belly of the Beast
When Zane was in Beohernie's stomach, he saw another vision of the Ice Emperor's Castle.

The Never-Realm
With the help of Sorla, they are able to find Zane who his located in the Ice Emperor's Castle. When the Ninja ask if Sorla can take them to the Ice Emperor's Castle, she says it's too dangerous to visit.

Inside The Castle of ice, General Vex warns the Ice Emperor of the Ninja trying to get Zane back. The Ice Emperor then tells Vex to send the Blizzard Samurai to destroy the Ninja and their allies.

Season 11: Secrets of the Forbidden Spinjitzu

 * 99."Wasted True Potential" (Dream)
 * 102. "The Belly of the Beast" (Dream)
 * 114. "The Never-Realm"

Location's

 * Dungeon (probably) Zane is currently in it
 * Throne Room of the Ice Emperor