They didn't speak the spell, instead all three of them concentrated on their happiest memories. Hermione gripped so tight to the feather in her hand while she watched the corporal otter appear languidly swooping from the end of her wand. She remembered Luna’s patronus to be a hare from their days in Dumbledore’s army and so was amused to see that now, a niffler looking strikingly like Theo’s animagus form sat obediently in front of her. Theo chuckled with glee when his patronus took the form of a large thestral. "Well, he will definitely know it's us now." He pointed his wand through the gates to the manor sitting hauntingly in the distance. "Go to Draco. Stay as long as you can."