Combat Extended Promethium, . Help please? Feb 8, 2019 · They are two resources added by Combat Extended required to create various weapons and specialized kinds of ammunition. Nov 25, 2021 · They are two resources added by Combat Extended required to create various weapons and specialized kinds of ammunition. I checked the refinery for wood > chemfuel but it didn't have a promethium option. How to craft/obtain FSX and promethium for combat extended crafting? Holla. I can craft jellied promethium at drug lab. FSX is used the create a variety of explosives, while Promethium is generally used to make incendiary weapons. We would like to show you a description here but the site won’t allow us. Note: The flamethrower uses Jellied Promethium, crafted at the Drug Lab. FSX can be ‘milked’ from boomalope or boomrats, and Promtheium can be harvested from blazebulbs. go6amb0m, a1ww, ghfllt, sa, ub, sux, blnp7, 4y6ur, eu3t, 9v3c,