Start slaying demons from the proficiency panel.

The world is in chaos, and demons and evil spirits appear everywhere, wreaking havoc and poisoning the people.
The imperial court established a special Demon Subduing Bureau, recruiting extraordinary individuals, Buddhist and Taoist monks from all over the world to work together to vanquish demons.
Ning Xiu was reborn with a proficiency panel and diligently practiced martial arts techniques, all for the sake of having the power to slay demons, suppress heaven and earth, and protect the peaceful and prosperous world of humanity in this demonic world.
[Heavenly King Vajra Skill: 20th Level (99999/99999)] Blood and Qi are like a furnace, burning rivers and boiling seas.
[Dragon Elephant Prajna Skill: Eighteen Levels (81111/88888)] With arms raised high peaks, one can move mountains and unload ridges.
……
Ning Xiu: "My strength comes entirely from my daily hard training, rain or shine."