Music System in a Cultivation World: What the F*ck

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junior brother's past life before his cultivation was not peaceful.

as it has been said before, everyone is born with spirit veins. the purity and the rarity of the spirit vein determines whether that individual is suitable to become a cultivator. or to clarify, a righteous cultivator.

demon cultivators do not require rare or pure spirit veins.

the only thing they require is insanity. @@