Starting with Blood Healing to become an Ancient God

Want to gain superhuman vision? Then get some eagle blood.
Want to gain super strength? Bear blood is very useful.
You want to surpass humanity? Perfect, I have vampire blood here.
You want to become the ultimate life form? Very well, I have a drop of ancient god's blood here.
…………
He becomes the headless mayor of the ancient and chaotic city of Arkham, where evil gods breed.
Starting with blood healing techniques, Los built the Extraordinary Containment Center, the Forbidden Library, and the Ancient God Museum.
Los: Arkham is full of talented people and has a very kind and honest folk culture! Hey! Don't run away! We haven't visited the Arkham Sanatorium yet!
Farming style, invincible style, mastermind style, Cthulhu style.