User blog comment:GreenMoriyama/Nine, the Magus of Elemancy (collab w-Lesdin)/@comment-3391671-20171010092331/@comment-3391671-20171015101340

Surely, I don't have in mind where Shaitan would be. This may be attributed to how there are no volcanic regions in Runeterra, or any that are known for being so. There is also the fact that Shaitan is from X centuries ago, and land masses and civilization has likely changed overtime (outside the Freljord which has preserved itself over the centuries).

If I had to place a marker, it should be near Freljord, seeing that Ornn was mentioned. This was one hint I had attempted to give, but seems like it was not enough at all. If that map of Runeterra is still live, then likely along the Ironspike Mountains is where Shaitan may have been.