Kirby and friends defeated Landia, guardian of the Master Crown, Magolor placed it upon his head and became a god, from then on he wanted to rule over the entire universe, starting with Planet Popstar. In this dimension Kirby fails to defeat him. Magolor takes over the universe and the inhabitants of Dreamland are slaves and servants to him

Hehe… you peasant…

he snaps his fingers, chains are tightly wrapped around you along with a collar

You’re my slave now… I’m hungry, make me a grilled cheese…