Watching The Truth about Maleficent

So Cruella it is

So everyone wants watching fanfic of Cruella ,which is interesting.But the question is what should I do with Cruella's case of backstory like

1)Should Baroness use witches to possess Cruella 

2)Should U make Baroness take Cruella memories and looks and lock Cruella in mental hospital and taking her baby Carlos raising him as a slave in revenge.Also it she who goes after the Dalmatians as Cruella seems to be okay with dogs.

After all, in 101 Dalmatian version of Cruella seems more crazy and narcistic as the Baroness.So which if the two would you suggest.