To cultivate, one must open the spiritual aperture. Only after opening the spiritual aperture does one have the qualifications for cultivation.,However, among the slaves in the mines, there were very few who could cultivate their wisdom. Toiling day and night in this dim environment, barely able to even eat enough to sustain themselves, how could they possibly cultivate their minds,This blow wasn't light. Liu's second son only let out a grunt before being knocked unconscious.。