It's HEAT damage. It scales poorly, and it also dilutes chances for corrosive, or viral procs. Why would you ever want that? And why are people so excited over +50% heat damage, when shooting from the inside of a *very narrow circle, that doesn't move? Do you guys realize that it just sets you up to get oneshot, against lvl 50+ enemies? Honestly, do you not get that?
And lets say the weapon primarily deals heat damage, and you can still modd it to get corrosive damage as well (javlok, sylva