User blog comment:Thornclaw Braveheart/Gandalf the White vs. Albus Percival Wulfric Brian Dumbledore/@comment-3528601-20111210032914/@comment-2006360-20111210235106

Gandalf won't unleash all his magic. It's commonly speculated that, as a Maia, Gandalf's power is often so great, it kills many living things for a large distance, much like a Greek god's true form. Therefore, Gandalf wouldn't want to do this and risk killing innocents.