Fantasy: Destiny Poison Master, I Have Billions of Zerg Soldiers

Gu Tianyang, who traveled to the Yong Dynasty, took over the Tianming Medical Center, practicing medicine while dealing with the undercover mess left by the original owner. Relying on the system's ability to edit Zerg monsters, he conquered the Shadow Spiders and transformed the Killer Bees. He accumulated energy and wealth through assassination missions and dealings with various forces, gradually grew his power, and opened up a road of survival in an alien world that combines medicine and martial arts with hidden edge.