In this tutorial, I will show you the steps I took to create this really cool, Mystical Golden Sphere in Photoshop. The steps are in fact pretty simple and the outcome looks great in my opinion, have a try 
We will be using some drawing techniques, plus customer brushsets and filter effects along the way, plus I will show you a clever use of Photoshop brush to create special effect around the sphere.
Create a new document sized 800 * 800px, fill the background with black colour. Create a new layer called “bottom light” and use a 250px soft round brush with white colour, do a single click in the centre of the canvas