The Great Old Ones are ancient extraterrestrial beings of immense power, and most are also colossal in size. These entities seem to have a physical shape, but being cosmic lifeforms from beyond our space-time continuum means they are not based on matter in our definition of the concept, yet their forms are built on principles similar enough to those of true matter that they appear to be material in their nature. They are worshipped by deranged human cults, as well as by most of the non-human races of the mythos. Beyond. The reason for their captivity is not known, though there are two prevailing theories:1. They were sequestered by the Elder Gods for using black magic transgressions