Prepare to see the most disturbing, sadistic and morbid manifestation of violence that you ever seen in your life. This is the definitive gameplay enhancement mod for the GZDoom and Zandronum engines. Warning: After you see it, it cannot be unseen!
On v20, the Mancubus Flame Cannon will have new sprites, and a Flamethrower alt attack.
And yes, Mancubi will able to use flamethrower attacks against you aswell.