A dark castle with a hidden link to the pit of Tartarus in Olympian Manhattan, this unknown world is the hideout of Kronos and his minions. It is overall a not nice place.
Megatron used the powers of Unicron to destroy this world.
The couryard of fear
The entrance hall of despair
The interior hallways of terror
The titan's keep
The meeting room of darkness
Heartless (Areas not in castle filled with every kind in existance)