The Hollow Bastion is the alternate title name of The Radiant Garden world, given by Xehanort's Heartless, Ansem, and to his apprentices. It appears as one of the primary worlds of the first Kingdom Hearts video game installment, as well as the Kingdom Hearts: Chain of Memories. The primary base of operations of Ansem, and by extended of Maleficent, and her forces of evil, the Hollow Bastion also appears in the CG storylines of the villain tournaments context, featured as the homeland of villains like Ansem.