I have a bunch of "weapons from game X in game Y" ZDoom mods I made in the past, that were done for personal use and with no real intent of releasing them. However after playing @Jimmy's Faithless I thought this one would fit pretty well, so I polished it off a bit and here it is. (I seriously love Faithless so much, what a fantastic set of maps.)
hexher.zip
Only tested in GZDoom 4.5.0. Not compatible with Zandronum or ZDoom 2.8.1, but I could probably fix that if anyone wants i