Expecto Patronam

Sectumsempra probably, confringo, etc. It only blocks minor hexes/jinxes.

@LunaLovegoodlover9 isn't expecto patronum used only for dementors? dementors don't own a wand to cast protego.

Can’t block protego diabolica. It’s the spell grindelwald uses in Fantastic Beasts 2. Originally it was meant to be black flame but then they changed it to blue. Only finite works on it, and some sort of fiery shield charm, as protego doesn’t look the same