I managed to create a throne with a dragon egg on it. Now I am facing a problem:
When trying to render it, the shape of the egg, looks way different than in the render view. It seems like the texture doesn't apply. It looks quite good in the render view though.
Here the file: https://drive.google.com/open?id=1vCU6KnPzfw1ZMjgM7lQ_nmOUs5Eap2V9 (too big for blend-exchange unfortunately)