You fall down the rabbit hole when you decide to associate yourself with dark magic just to please your online friend
You attract the attention of some dangerous and powerful magicians.
And also the attention of some pure evil creatures like Jinns.
Especially your Qareen.
Warning: Dark magic, real books of magics mentioned, and awful brutality.
A qareen is a spiritual double of a human, either part of the human himself or a complementary creature in a parallel dimension.
And they are usually the opposite gender of their human companion.
They are evil to the core, and some of them are overprotective of their human companion.
Yeah, to the point of deadly jealousy.