Region of Earth

Hint: How do I get into the barrow?

Hint: Why does Metria want me to drink out of the spring?

Hint: Where did the lights go?

Hint: Why does Nada want to drink with me?

Hint: How do I use this locator device that Metria gave me?

Hint: What should I do with the metal switch on the wall?

Hint: Can I pick up the blue moss?

Hint: How do I free Nada?

Hint: How do I get past the ironwood tree?