I Am a Wholesaler of Monster Materials

On the day when his sister was seriously injured by a monster and was about to die, Lu Chen awakened to the "equivalent exchange" system. Sacrificing monster flesh and blood can be exchanged for special medicine that heals cells; Sacrificing monster crystal cores can exchange for life source liquid that prolongs life; While everyone was still paying the price with their lives for hunting a monster, Lu Chen had slaughtered the monster into scarce resources. The major forces are vying to win over each other: "Master, please take action to save my elders!" The world's richest man begged on his knees: "As long as you save my daughter, I will share half of my property with you!" Until that day, the monster royal family who seriously injured his sister appeared again, looking down at the ant-like Lu Chen with contempt. Lu Chen slowly raised his hand, and mountains and seas of monster corpses appeared behind him, and he spoke calmly: "Do you also want to dance?