Having joined forces, unit seven of the Royal Guard and the newly arrived members of the Anti-Nausea Alliance forge ahead through the Dragon Tower. Though it was already crawling with monsters, the ancient monolith somehow continues to become more and more dangerous thanks to the Necromancer's undead thralls—but this intrepid band of nine warriors and one crow-goat fight on nonetheless. And, in the midst of desperate battle, the shocking tale of Aridelia's past is finally revealed…

Volume 5 of the Tower Dungeon manga series by Tsutomu Nihei.