Raun in Harry Potter

What would happen if Ron Weasley in the Harry Potter world had the soul of another person hidden in his body? If the Weasley family's influence becomes stronger, will it become another channel for communication between the wizarding and Muggle worlds? What is the difference between Boba Cave and Durmland and Hogwarts School of Witchcraft and Wizardry? What about the magical worlds in other countries? This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.