Süroth was one of seven new barbaric kingdoms formed after the destruction of the kingdom of Adar after the War of the Pretender at the end of the Fourth Age.

Today, very little is known of the realm of Süroth, other than its capitol was the ancient Dark-Elves castle of Erôn-Mored, and that its leaders had a dreadful reputation for cruelty and terror, perhaps worse than any in Corwyn’s history. The territory of Süroth was in what is today, southwestern Morgoth.

The Süroth was also the name of an order of evil knights which ruled from that evil kingdom. Even today, the emblem of the long-forgotten realm survives as the symbol of that feared order of dark knights. Even though the kingdom was long ago overthrown and became part of Morgoth, the evil knightly order has survived, and carries out evil missions throughout Corwyn even in the present day.

The last King of Süroth, whose true name is forgotten, became one of the seven Zûl, under his new master, Sorimmar. The coat of arms of Süroth consisted of a white skull, with red eyes and fangs, above crossed silver swords, all on a black field.