Muriel is the grand dark witch in the movie Hansel and Gretel witch hunters, she uses dark powers to kill her enemies, her goal is to collect the blood of the 12 moons which in her case 12 children and collect the heart of a grand light witch, when she gets them she will do everything in her power to be immune to fire which will happen by having the potion that was made with the blood of the 12 children and the heart she must drink it on a blood moon but...