Thryhaefron; The Silver Tree and Dwarven Cosmology : Tribunal Planes [!] Depiction of the Thryhaefron   The Thryhaefron, literally meaning the Silver Tree in the common tongue, is the cosmic tree that connects all the planes in existence together, in the common tongue the concept is better understood through the soulstream. In dwarven religion it has been known that Higher Beings like the Brathmordakin possess dominions over some areas in the cosmos (as well as in the m