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I Cultivated A Nemesis
También conocida como: Wo Peiyangle Sudi, Wǒ Péiyǎngle Sùdí, 我培养了宿敌 · Wo Peiyangle Sudi · I Cultivated a Nemesis · Wǒ Péiyǎngle Sùdí · 我培养了宿敌
The demon king possesses a regression ability, but is continuously killed by his nemesis. Finally, he chooses to regress, but then he becomes the older brother of his nemesis. He decides to use his abilities and raise his nemesis to become useless, but this began to go in an unexpected direction.
