Eternal Flame

Back when I first played and beat MGS4, I was already in the MLP fandom, but it was way before Sunset was introduced, so when trying to recreate the scene in my mind but with MLP characters and elements, the fight played out between Twilight and Trixie (posing as Luna), with the health injectors they kept using during the fight cutscene being replaced by what little remained of now broken Elements of Harmony, the last of their power employed to heal the users.