Stone Giant Dreamwalker

Stone Giant Dreamwalker
The surface of the world is an alien realm to stone giants: fluctuating, temporary, exposed to gusting wind and sudden rain. It is as wildly changeable as a dream, and that's how they regard it-as a dream. Nothing there is permanent, so nothing there is real. What happens on the surface doesn't matter. Promises and bargains made there needn't be honored. Life and even art hold less value there.
Dream Dwellers
Stone giants sometimes go on dream quests in the surface world, seeking inspiration for their art, to break a decades-long ennui, or out of simple curiosity. Some who go on these quests let themselves become lost in the dream. Other stone giants are banished to the surface as punishment. Regardless of the reason, if they don't take shelter under stone, such individuals can become dreamwalkers.
Dreamwalkers occupy an odd place of respect outside of stone giant ordning. They are considered outcasts, but their familiarity with the surface world makes them valuable guides, and their insights can help other stone giants grasp the dangers of living in a dream.
Mad Wanderers
Dreamwalkers are driven mad by isolation, shame, and their unendingly alien surroundings, and this madness leeches out into the world around them, affecting other creatures that get too close. Believing that they're living in a dream and that their actions have no real consequences, dreamwalkers act as they please, becoming forces of chaos. As they travel the world, they collect objects and creatures that seem especially significant in their mad minds. Over time, the collected things accrete to their bodies, becoming encased in stone.