1. What's that eagle have to do with Greek Mythology?
2. Text is hard to read, go with a combination of 2 fonts, maybe some gradient/stroke/etc..
3. Colors are ok, but it needs more effects. Try Bubbles of Effect C4D. Fractals might work too. A "net" wireframe might do the trick aswell.
4. Adjust the lighting on the bird by burn/dodge or simply by brushing over it.