1ST I paint the background first.
2nd I paint the sky with a bit darken than the background to show the depth.
3rd I’ve started to make the sky and look kind of like tornado too.
4th I then paint the mountain to give the depthness in it.
5th I’ve started to sketch the road to give a leading line to subject.
6th I then mix up various type of brushes and paint a sandstorm effect.
7th I add the detail on the road.
8th I sketch a few cactus as foreground.
9th Give the shadow effects on the foreground .
10th finally the main subject the a monster Sandking .