The Citadel is a miracle of architecture, a floating city carved out of a single, massive fossil that snakes around a colossal gemstone shard known as the Auroral Diamond. The luminescence of the Auroral Diamond is mirrored in the constellation of fifteen structure-sized gemstones, the Concord Jewels, which orbit the city and provide transportation to the many planes of the Citadel's interest and concern. In the haze of the Ethereal Plane, the Auroral Diamond is a scintillating beacon visible from leagues away. The diamond itself seems to have moods, changing colors unpredictably, but it is always visible for wanderers lost and in need. Just beyond the city whirls a massive, ever-threatening, ethereal cyclone known as the Keening Gloom- a looming threat that's a grim reminder of the Citadel's precarious position. Heroes and paupers meet on equal footing in the Citadel. By common agreement, power and resources are equitably shared. Dignity is afforded to all, and great need is met with great aid. Watching over it and fostering its growth, the Velar stands as the city's leadership.
When the founders came across the Citadel, it was a floating abstract-like fortress wandering the planes similar to a solitary sentinel. The founders then had an idea to move it to The Ethereal Plane for the practical use of it being a planar hub. The problem was they couldn't find a power source enough to power all the planar travel and the city itself. A quest to the stars was had to retrieve gemstones of gargantuan proportions and the rest was engineering and architectural history.
Those familiar with the Radiant Citadel know the following details:
Hallmarks. The Citadel is an extraplanar refuge known for its collaborative society and ecological beauty. Local traditions of oral storytelling preserve ancestral wisdom from many worlds.
People of the Citadel. The majority of the Citadel's populace comes from the many civilizations that the Velar has come across. This makes the population an ethnically diverse mix of humans, dragonborn, dwarves, elves, gnomes, and halflings, along with a variety of other races.
Languages. Common is widely known, along with dozens of other languages.