Some of their body parts consist of wax elements and are very weak to physical attack. Thus those parts are covered with a transparent shell (specially the chest area - horns and parts of the head) which is supposed to gain them at least a minor protection against predators and heat.

Due to their great weakness and the fact that they are not meant to fight but rather serve as sources of inspiration and advisors, they have been driven very close to extinction.

It takes a long time until a Dragon of this kind makes friendship with a human being. A symbiosis which is however essential for their survival.
They are creatures of snakelike, delicate appearance and feed only on plants. Their character is very tender and protectful which in terms makes them even more vulnurable and weak.