Uh no? First things first everyone stepped over street orphan corpses they were all over the place. Second Ainz notes within the first book that he should feel something watching villagers be slaughtered that he should be disturbed by his new boney form. He moves on after concluding he's become undead in both a physical and mental capacity and we know this happens with other players such as the minotaur sage. We also suspect one of the thirteen heros was driven insane by his race. From overlord volume 1 page 117 He should have been afraid after seeing what his body had become, but Momonga was unmoved. Indeed, it even felt natural to be that way. from overlord volume 1 page 118: Right now, he possessed an undead body and mind, but there were some remnants of his humanity left. Therefore, even when he experienced emotions, if they surged to a peak, they would be immediately suppressed. If he continued on like this, he might end up losing all his emotions in the future. Of course...