Blood Demon Lord: Starting with Daily Intelligence

[Dark cultivation + survivalist approach + daily intelligence + system + decisive killing + playing dumb to fool the enemy]

Chen Yuan, a lowly office worker from Blue Star, was transported away by a great wind and transmigrated into the body of the lowest-ranking blood slave in the Blackwood Sect, where he was forced to have his life essence drained by demonic creatures every day. When his will to survive reached its peak, he awakened the [Daily Intelligence System], thus beginning his journey to defy fate...