How to solve puzzle on this area ?
You need to look bottom of the pedestal, there is a written number there. I = 1, II = 2, III = 3, IIII = 4. You only need to lit the pedestal according to the order. See the video below for an example.
Just a little bit further from the main entrance.
On the same room where you fight the boss of this area.
Same floor as the entrance from Gododdin, however you need to circle around because the path to this spot is locked at the beginning.
==Large Rock of Vermillion Ore==
On the same floor as the main entrance (southwest area). It’s on the same spot where you lit the torch to increase the Lava’s height.