Overlord, Vol. 3 (manga)

Posing as an adventurer in order to gather information about the world he´s found himself in, Ainz ventures forth into the city, posing as an adventurer in order to gather information about the world he´s found himself in. Finding work was easy enough, but when it leads to a plot that will devastate the city, he´´s forced to take action--and will his powers be enough against the terrifying warrior Clementine?