In a central valley, they were ten small stages- at least three meters wide- arranged in the middle of an open field. Surrounding the wooden stage was an eight humongous seat made of stone. They were circling the wooden stages.
They made this formation to surround the full moon's reflection.
Up above, the moon cooperates and shine its moonlight below them. It was as if it agrees to witness the dragon clan's sacred coronation that happened yearly.
Originally, the ritual should happened ever fifteen years, like how every other race choose that time to awaken the younger ones. With the second moon above, the life essence that was present in their land doubled. It was an opportunity for every race to do their rituals.