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In a world overrun with deathwalkers, the factotum disciple, Chen Yuan, accidentally awakens a Universal Extraction System after getting attacked by some lowlifes. The System can extract cultivation, cultivation methods, spirit energy and so on from all non-living things. With the aid of the System, Chen Yuan begins to level up by killing monsters. But unbeknownst to him, hidden behind his ordeals is a giant conspiracy targeted at him...