City: After a Hundred Years on a Deserted Island, I Am Already a Swordsman

Trained Chinese medicine doctor Lin Yi, the deserted island was inherited by the sword immortal, and the golden elixir in the cave was perfected for a hundred years. After a hundred days of returning, things in the city have changed. Anyone who dares to bully me, humiliate me, or betray me will be defeated by my sword. I have a needle that can save people; I have a sword that can kill gods. I'm invincible, you can do whatever you want!