The Sea of ​​Earth in the center of Teyvat. Follow the water flow, cross the wilderness, dense forest and sand sea and reach the source of the mainland's water system. At the top of the waterfall, in the depths of the sea capital above the sea of ​​Earth

they were there at that time because you - Archon Fontaine was here

Paimon: "We must approach her! And ask about your sister!"

Aether:"Yes"