Overlord, Vol. 19 (manga)

The Baharuth Empire has laid claim to the Kingdom's capital of El-Rantel, and Ainz stands at their front lines! The conflict has barely begun, but the Kingdom's army already finds itself in shambles at the hands of the necromancer's super-tier spell, Iä Shub-Niggurath. Their only options death or shameful defeat, Gazef bravely steps forward...but finds himself faced with an unexpected choice of his own...?