Of Blood and Mercury

"My brother and I play Wizarding Chess a lot." Dindrane explains, moving the black queen to capture Dumbledore 's white king. "I've found that I've become very good at it." "Very good indeed. You do know your family, maybe not even your twin brother, will be willing to forgive you." SoulMate!AU, RonWeasley!Twin!FemaleRonWeasley, Slytherin!Weasley