Transmigrating to the Three Kingdoms? No Worries, I'll Steal Guan Yu First

(System + Farming + Late-Game Campaign for Supremacy, with the goal of liberating the Eastern Han!) Liu Zhen transmigrates to the Three Kingdoms era. On the brink of death, he activates the Blood-Melding System, which lets him absorb the vital blood of all living things. [Absorb the alpha wolf's vital blood to gain night vision!] [Absorb the mighty tiger's vital blood…] [Absorb…] … Hua Qing: “Grandpa!” Hua Tuo: “Don't make a fuss. Grandpa's sleeping.” Hua Qing: “Wake up! Liu Zhen is injured. Hurry and put some medicine on him!” Hua Tuo: “Let me see… Tsk, it's only a one-foot-long cut. Why bother with medicine? It'll have healed before I can even prepare it.” … Liu Bei: “How has Liu Zhen become so fearsome in just a few months? He killed Hua Xiong with a single blow!” Zhang Fei: “Big Brother, don't panic! I'll go kill him!” Liu Bei: “Second Brother, absolutely not! Liu Zhen is formidable, and both his older brothers, Dian Wei and Guan Yu, are powerful enough to take on ten thousand men. We can't provoke them. Let someone else go while we watch how things unfold.” … Cao Cao: “You brat, Liu Zhen! How dare you seize my city! Yu Jin, capture him!” Soldier: “Chancellor, General Yu Jin has been captured!” Cao Cao drops his bowl: “What? Xu Chu, you go!” Soldier: “Chancellor, General Xu has been defeated too!” Cao Cao: “How can there be such a fearsome general in this world?” … Sun Ce: “Gongjin, Liu Zhen is bearing down on us. Do you have a way to repel him?” Zhou Yu: “Bofu, I was just about to discuss this with you. I've thought about it day and night, and I think we should… surrender.” … [Detection: a qilin prodigy has been born. Qilin holy blood can be fused.] Liu Zhen: “Jiang Wei? But killing him right after he's born seems a bit wrong. I'll have to think of something.” … Hua Tuo: “Registrar, your son is sick. He needs bloodletting.”