Aaron's Serpents enormous creatures, born and nurtured in the bark of Yggdrasil, the World Ash. They are called Leviathans, or sea monsters, on Earth, and many of them choose make their Chancels in the sea. Among the Imperators, and although they have no one single creed, they have the most sympathetic philosophies, ones that are the closest to human. By human standards, they are sane, responsible, and respect all life, especially those of trees.