This Knife Stabbed from the Slaughterhouse to All Realms

Ye Fan, the biological son of the strongest man Ye Tianlong, was born with a broken pulse, his energy and blood were always stopped at 10 o'clock, and he was treated as a waste by the entire clan and humiliated for eight years. In a desperate situation, [Qi and Blood Devouring System] awakens! Someone else's Qi and blood increased by 100 after ten years of hard training. He stabbed a black pig to death and his Qi and blood increased by 100! Others spent millions of resources to break through the warriors, but he stabbed a warrior to death, and his energy and blood were +100! The protagonist of this book is mentally unstable. He likes to stab people in the waist, likes to sharpen his knife before killing people, and likes to answer all questions with silence. He is most dangerous when he is silent. He's even more dangerous when he laughs.