The eldren are a prominent folk in the Cosmic Centre native to a plane known only as the Half World, a beautiful world with a wide variety of environs, though a fair portion of it is dominated by a thick forest. Divisive in nature, the eldren are made up of several different cultures differentiated by their faith in the natural order; the two most notable groups are the sun eldren, who venerate the Sun and its light upon the worlds, and the moon eldren, who believe in the beauty of the stars and the eternal Moon. Eldren have historically had a strong hand in politics of the Cosmic Bond, and are sometimes considered to be the most influential Centre folk.
In antiquity, estimated at about 4,000 years before the First Reflection, all eldren lived upon great mountain-sized cities – simply known as the Sky Domains - that floated in the skies above the Half World. While few records survived into modern times, it is known that they