So… Humans. Humans seemed scary and in all honesty, there was no way that Cory was going to be able to deal with them. Any truly powerful human in the uper levels of 50 would be a high tier variant means that even the weakest of them would just be able to blast Cory to pieces without him ever really standing a fair chance.
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This begged the question, with humans suddenly appearing in his dungeon what the hell was Cory supposed to do.