The Ether Citadel is located at the heart of the Ether Realm, and hosts the government of the Six Realms. It is built in a tier structure, leading up to the Ether Palace.

It acts as a neutral meeting ground for residents of the surrounding realms, and is a popular trading market for merchants. Access is gained through each of the realms' gates (Wasser, Luft, Stahl, Feuer and Erde), which are patrolled by Highguard soldiers.

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