Boss of the Deep Desert (King). Summoned by placing a dungeon monster's skull on the throne at the lowest level of the dungeon. Attacks by commanding the skeletons of various animals.

[Ability] Manipulates the dead, such as souls and skeletons.

Male. Tan skin. White hair. Wears a sheep skull headpiece. Muscular.

Boss of the Dream Library (Librarian). Summoned if even a single book in the dungeon is destroyed. Attacks with high-power, high-precision, wide-range magic. Never destroy the books.

[Ability] Can manipulate reality by writing in a personal journal that only Dori can use. It is similar to Owl's journal, but it belongs to Dori, not Owl.

Male. Black hair. Owl wings. Eyes that shine like a starry sky.

Boss of the Future Tower (Defense Robot). Summoned by activating the device on the top floor. Attacks with a spear made of lightning.

[Ability] Can move at the speed of light. Manipulates lightning and electricity.

Male. Blond hair. Half-cyborg.

Boss of Cold Town (Manager). Summoned by setting the clock in motion. Stops time to perform melee attacks.

[Ability] Time manipulation.

Male. Brown hair. Wears a suit.

Boss of the Alive Ocean (King). Summoned after defeating ten or more minor enemies. Attacks with a trident.

[Ability] Can control underwater creatures. Manipulates water.

Male. Merman. Blue hair. Golden crown. Wears a mask.