Unwanted Undead Adventurer Graphic Novel Volume 12

Having overcome his former masters' trial, Rentt learns about his hometown's ancient secret. Its dizzying scope is beyond anything he could've imagined: a bloody history, a forgotten dungeon, and long-lost magic...but those are just the beginning. As Rentt and Lorraine come to grips with their discovery, Gold-Class adventurer Nive and her compatriots work to root out the vampires planning to attack Maalt. They're moving quickly to prevent tragedy from occurring, but are they already too late?