Benjamin Olson
Hero
Or the stun setting on blasters, which, as demonstrated on Leia right at the beginning of the original movie, is big, wide, presumably unblockable rings.How to kill Jedi 101. Use shotguns.
I mean there's lots of weapons that could defeat the improbable "Jedi blocks laser blast" trick. But stun is already there in universe and presumably just requires flipping a switch on their blasters.