Area A has been invaded by aliens for hundreds of years. They are a cholera land and the people are in dire straits. Tang Molan, a fifth-level source, meets his boss Shen Yufeng, a seventh-level source, and is assigned as his deputy.
Tang Molan: The seventh level source is amazing.
Shen Yufeng: Better than you
Purpose: Defeat monsters! Go, go, go!