How do I restore the Guardian?

Hint 1 of 27:

She needs to drink a potion made from a quartz flower

Hint 2 of 27:

Grow a quartz flower

Hint 3 of 27:

Fetch water from the fountain

Hint 4 of 27:

Clear the lichen away from the fountain and follow the coded
instructions to operate the fountain

Hint 5 of 27:

Wet the rag in the water and wipe the eyes of the statue