Need Build for 2h Fire Demolitionist!

You may have seen this other thread already?
My fire-based 2h ranged glass cannon, possible with just the base game and found gear …

Thermite mine and curse of frailty help reduce mob fire-resistances, increasing your damage dealt.
Use flashbang and curse of frailty to also slow them down so they stay in the mine effect longer.
Most stat points still go into physique.