Even Summoning Just a Skeleton Is Overpowered

Earth is destroyed by an invasion from another dimension. At the end of the apocalypse, Lee Han, who possesses the mythic trait [Immortal Monarch], regresses. He aims to monopolize hidden achievements and obtain mythic traits to take revenge. [Achievement 'It’s Best to Get Skeleton Materials Yourself!' acquired.] [Trait 'Skeleton Expert (Common)' acquired.] [Unique skill 'Skeleton Creation' acquired.] But because he is too capable, Lee Han rapidly achieves achievements no one could have expected. Before he knows it, he has become a skeleton summoner... But it is too early to despair. Lee Han’s unstoppable growth begins as he commands very special skeletons and a summoner who is also excellent at fighting.

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