Energy is like electricity. It exist, no matter what you do, and by itself is strong, but you can use it in many ways and forms if you know where to put, how to work with it. Have you ever heard about Tulpas? Beings who are designed by an actual person, fed by their own energy to the point they actually become able to have it's own consciousness, speak, think, act the way they want, and even develop themselves and their personalities - which sometimes even causes trouble to the 'creator'...