What if when Harry was left at the Dursley's he was magically transported to the world of the seven deadly sins do to the bloodwards charged with his mother's protection magics interacting with one of Merlin's experiments in space-time magics. merlin raising Harry in part do to being responsible for bringing him there & interested in his magic she sensed from him & how it differes from her world's magics.

required

1. Harem.

2. Harry uses wandless magic.

3. Harry learns some magic of the seven deadly sins universe somehow

4. Harry goes back to earth & Hogwarts at some point up to you.

optional

1. Harry is raised along side the other sins by Merlin & learns some skills &/or behaviors from them

2. What period of time does Merlin adopt Harry be it before or after there banishment when the sins start having families your choice