If he’s learned Avada Kedavra, there’s always the option of blinding everyone with a super-Patronus and then committing mass murder until your side has a majority.
You don’t need that particular spell to commit mass murder. Harry would likely use transfiguration or napalm. That said, Harry-who-can-murder is not Harry-who-can-Patronus.
You don’t need that particular spell to commit mass murder. Harry would likely use transfiguration or napalm. That said, Harry-who-can-murder is not Harry-who-can-Patronus.