"No no it is nothing like that Spike. You see every other creature that has magic produces it from inside of their body and releases it. Unicorns and Alicorns can do it at will with their horns. A Pegasus and Earth pony does this sub consciously. From what we know the only creature that draws in magic and can store it in their bodies, are dragons. It is due to this unlimited amount of natural energy that dragons live for as long as they do." Twilight states almost like she is giving a lecture at one of the major universities in the capital.