Dun Mare

Large and strong, horses cut an impressively powerful figure, and Dun horses are no different. This is a Patronus that is in turn beautiful, yet not-to-be-trifled-with.
Written by the harrypotter.com team
“The Patronus is a kind of positive force, a projection of the very things that the Dementor feeds upon - hope, happiness, the desire to survive – but it cannot feel despair, as real humans can, so the Dementors can’t hurt it.”
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