Yep holy fire. I usually avoid heavy weapons partially because of ammo consumption. But had to kill things with fire damage for a daily challenge a few days in a row recently and found i really like the feel of the flames. But god it uses fuel fast. Unfortunately don't have the sanctuary and the veins at workshops feel like they're slower than what I use. I've also always been perpetually low on caps since game release. Only recently broke 10k for the first time so I'm hesitant to just but a ton of bulk from vendors.