The Realm of Lies, where Belial hides, is an uberlevel accessible by using the Key of Lies dropped by Maghda in the Chaos Sanctuary.


After his defeat in the civil war in Hell, the Lord of Lies and infernal King of Rats was banished to Sanctuary where he plots his return. The icy caves under Harrogath offered him both proximity to the powerful Worldstone and a dark moist breeding ground for his rodent servants.

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