But even if he killed a thousand rank 4 magical beasts it might not be enough to level up.
'I guess, I will just have to see how it goes in the academy. If there are stronger magical beasts, I might even pick doing missions outside just to be able to get experience points.'
They flew for several hours more, until they could see nothing but the forest around them, making Ainz wonder about the depth of the forest and how many kilometers it covered, his mana sense could barely cover some part, and at the same time was being disrupted.
Since he couldn't completely unleash the might of his mana sense, as he was afraid of knocking the students and Professor Spartan unconscious, and creating a scene in the process
Since he was lying low, he didn't want to do anything that would bring unnecessary attention to him, after all, he was no longer outside, and he could not do as he pleased because he was now a student.