The Lonely City's Fading

Spiritual energy has run dry, and a great calamity has descended.

The immortal path is all but extinguished, and the human path is fraught with hardship.

1. A cultivation world with lots of original worldbuilding

2. A master-disciple story with a younger top and a role reversal

3. The top is pure; the bottom is not

4. Devoted puppy disciple x beautiful, strong, tragic master

Theme: For what is good in one's heart, one would face death a hundred times without regret.