For players attempting stable Primogem cash, the Welkin Moon shines with its day-by-day rewards
https://www.scribd.com/document/894020275/Maximize-Your-Primogems-Efficient-Strategies-for-the-Spiral-Abyss-and-Smart-Revive-Usage-158034
For gamers in quest of continuous Primogem income, the Welkin Moon shines with its everyday rewards