Overlord Manga Volume 12 is the twelfth volume of the Overlord Manga adaptation by Satoshi Ōshio, and illustrated by Hugin Miyama.
With the strongest army The Demon Emperor accelerates the turbulence!
Finally, Demiurge's plot begins to unfold. A devil who suddenly appears in the kingdom and who calls himself "Jaldabaoth". Opposing him, the strongest adamantite-class adventure team of the kingdom "Blue Rose"!!