Key

Y/N M/N Merlin L/N , a demigod, daughter of Poseidon, and a witch, and a descendant of Merlin. When she turns 11 and gets her Hogwarts letter she's surprised. On top of being a demigod She's a witch and while at Hogwarts she befriends a certain Harry Potter and goes with him and his friends on their (death) adventures.