The Crimson Demon Element is a mixture of Elemental Effects which can be utilized offensively by both hunters and the monster, Crimson Fatalis. It uses scorching heat and flames alongside an unknown energy to cause additional damage. The difference in elemental power is rather large however, Dragon only dealing 50% of its full power whereas Fire deals 150%. The Crimson Demon Element is currently exclusive to the Frontier Series and was introduced at Monster Hunter Frontier G Genuine. Crimson Fatalis are the only monsters capable of using the Crimson Demon Element.
The Crimson Demon Element can be infused into weapons to cause additional elemental damage. When a crimson demon weapon strikes, it will apply both elemental values at once, but will either release a scorching flame or a burst of dark energy into the wound, the effect shown will be the one which is most effective on that part of the monster. Crimson Demon Element can be extremely effective against certain monsters.