Kharos is the smallest, southeast island of the Forbidden Islands. Many avoid even going near the island, as it is the pinnacle of evil. The evil warlock Ferumbras constructed a tower upon this island, as a citadel. When Ferumbras was defeated, the mighty sorcerers of the Edron magic guild sealed the entrance to the tower with energy which was impassable unless by them. Be wary when the seals here glow bright, for the tower's creator might be making his return!
This is the hardest place that exists in the game, only if you have a VERY high level you can enter without danger of an instant death.