=, =, then f-spamming.
Er, wait, I'm the only one with that keybinding, aren't I?
Northeast, northeast, then f-spamming. You're wearing red armor, the best that the shotgunners will do is 32%/hit (16 hp/hit). And that's a better position to take the Archviles out from, too.
Also, I probably ought to get playing again.