Overlord manga volume 13 features story by Kugane Maruyama and Satoshi Oshio plus art by Hugin Miyama and So-Bin.

The Royal Army, with Momon spearheading the charge, finally enters into a pitched battle with Jaldabaoth and his horde of demons-who will come out on top? And, more importantly, what is the true objective of Demiurge’s “Gehenna” plan...?!