Boneworld: A Lost Souls Supplement From the introduction: In the Void between the Realm of Shadows and the Plane of Silence there is a skull. On a cosmic scale, it is minute, but as skulls go, it is vast. This skull is what remains of the god Golgoth, who once walked the young Earth and left to seek other worlds long before humankind appeared. ... Boneworld is a semi-material plane.