A highly detailed demonic double-barrel shotgun with glowing red runes, a bone-like handle, and hellfire energy, on a dark background.

"A highly detailed concept art of a demonic double-barrel shotgun inspired by DOOM The Dark Ages, designed in a gothic classic style mixed with infernal technology. The weapon should have two barrels with intricate engravings, demonic runes glowing in red, and a bone-like handle shaped with sharp edges. Add gothic ornaments, dark metallic textures, and subtle hellfire energy flowing through cracks in the weapon. The design should feel ancient yet advanced, like a fusion of medieval gothic weaponry and futuristic infernal tech. See more