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Dungeon Builder: The Demon King's Labyrinth is a Modern City! (Manga) Vol. 12

Illustrated by Hideaki Yoshikawa
Paperback
5"W x 7-1/8"H | 13 oz | 48 per carton
On sale Jan 20, 2026 | 194 Pages | 9798895616703
Rated T

I CAN DO THIS ALL DAY...

Balam just won’t stay down. After his “death,” Balam’s darkness has spread far and wide, turning everyone it touches mad. Procel’s dream of a utopia for both humans and demons seems unreachable, especially since the Creator is about to destroy the world to stamp out the darkness once and for all. In a desperate move, Procel asks the Creator for just one day to turn the tide. The Demon Lord of Dragons Astaroth joins Procel for the defense, but with Balam gaining the powers of the Demon Lord of Fire, will a single day be enough for Procel and friends to save the world from apocalyptic destruction?

The final volume!
Rui Tsukiyo is a Japanese author best known for a number of fantasy light novels, including Dungeon Builder.

Hideaki Yoshikawa is best known as the author and artist of The Other Side of Secret and the artist of the manga Dungeon Builder.
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About

I CAN DO THIS ALL DAY...

Balam just won’t stay down. After his “death,” Balam’s darkness has spread far and wide, turning everyone it touches mad. Procel’s dream of a utopia for both humans and demons seems unreachable, especially since the Creator is about to destroy the world to stamp out the darkness once and for all. In a desperate move, Procel asks the Creator for just one day to turn the tide. The Demon Lord of Dragons Astaroth joins Procel for the defense, but with Balam gaining the powers of the Demon Lord of Fire, will a single day be enough for Procel and friends to save the world from apocalyptic destruction?

The final volume!

Creators

Rui Tsukiyo is a Japanese author best known for a number of fantasy light novels, including Dungeon Builder.

Hideaki Yoshikawa is best known as the author and artist of The Other Side of Secret and the artist of the manga Dungeon Builder.
Penguin Random House Comics Retail