What if Dumbledore and Grindelwald had never fallen out, and instead joined hands to achieve For the Greater Good? What would the world look like?
Faced with the tyranny of wizards, Muggles have never surrendered, while Muggle-born wizards have always been caught between both sides.
Xia Er is preparing to run against Voldemort for the title of Second Dark Lord. Listening to his supporters, he is utterly bewildered: I just want to become the Second Dark Lord and throw my weight around. Why do you see me as the hope of the Muggles?
PS1: The upper limits of the magical world, as well as the power of Dumbledore, Grindelwald, and Voldemort, have been raised just a tiny bit.
PS2: The main story takes place in the magical world, and the central conflict is magic against magic. There won't be any plotlines about technology overcoming magic... Technology in that era couldn't do that anyway.
PS3: Keywords: Harry Potter, Fantastic Beasts and Where to Find Them.