With abilities far beyond their terrestrial kin, the Celestial Dragons are capable of shaping certain aspects of the universe like forging new stars. They have incredibly long lifespans and are seemingly immortal. Aurelion Sol has forged stars since the dawn of time, and now unwillingly serves Targon and its Aspects.
As matter imitates the shape of greater energies, similar to how a logarithmic spiral is found in a nautilus shell and a galaxy, terrestrial dragons are shaped after their celestial counterparts, even though they have no bloodline connection. 
Aurelion Sol also known as the Golden Sun and The Star Forger is one of the oldest celestial dragons in existence. Responsible for the creation of countless stars and constellations, including The Great Beyond and Runeterras sun. Enslaved by the Aspects of Targon, he plots for the day he would take revenge upon them and all of Runeterra.
Inviolus Vox also known as the Unshakeable Voice is a celestial dragon and a single celestial mind who speaks simultaneously through countless beings spread across the cosmos. His legendary voice echoes through time and space, summoning his kin to him. Inviolus Vox has descended upon Runeterra, and waits for Aurelion Sol command to summon all dragonkind to this lowly place.
The Great Beyond a Dragon Constellation and Aurelion Sol's favorite creation and magnum opus. It is unique among other celestial dragons in that it was specifically created to bring forth annihilation on a terrestrial world like Runeterra.
The Infinite Mindsplitter destroys the minds of travelers who lock eyes with the creature. It is said that these travelers are struck by a knowledge so profound, an insight so awesome, that their minds crumble beneath its gaze.
Some of these dragons begin their lives in the physical plane until they mature. Eclipse Dragon (Draco Obscuratus) scales have incredible optical properties. Highly reflective under direct sunlight and glow during night.
These species were only mentioned, but were never elaborated on.
Lippertick Apple ·
Salamander Dew ·Unnamed Species