Harry always sees these powerful Beings on a personal level, but they are so much more than that. If Harry goes into the Nevernever, and is able to see their real, true form, what would you like to see? This is pretty awesome.
This picture has Odin, and a human kneeling. I see Odin, and this other person much like Odin, and a wizard. The wizard is limited by his physical form, and Odin is no different, he's just so huge he can move way more power. This size difference to me is a comparison of magical power, and capabilities.
Immortal Odin:
