Speak with
Sunkiest at
Aurea city
Follow the directions and take
Sun fire scroll here
Use
Sun fire scroll here and enter the cave
Step on 1 then on 2
WITHOUT touching 3 and then step on 3!
Enter the cave and take
Water vial from altar and use it near fire
Use
here, which You got from
Sunkiest
Come back to
Sunkiest to finish the quest