I explained the Quest for Sovereignity when I shared the initial drawing. The egg is the knowledge that the source of your power is within. Knowing that, you will be able to 'hatch' many things.

One of the things I like about this picture is the good sense of depth. Notice the solid grip s/he has on that Set headed Was Scepter:

This grip suggests the saying "Great Is The Might Of Set, Greater Still He Through Us!"