Overlord, Vol. 5 (manga)

It's come down to this--a fight to the death, mano a mano, Ainz versus Shalltear! With the odds stacked against him, Ainz faces off against the deadly vampire lord. But Shalltear is not the only threat facing our hero--ahem, our overlord! In a far-distant reptilian kingdom, nefarious forces are on the move. Will Ainz need to meddle in the affairs of mortals yet again...?