in this movie there are 2 girls who walk into a cave to find a little girl whos a witch, crying. they hold hands so the ‘witches powers’ wont work but the little sister runs away scared. The eldest sister is left alone. the witch transform herself into (5/7?) bats or birds (i dont remember!) and fly into the girls’ neck,she has these tattoos of whatever the witch transformed to on the top part of her chest just under her neck (so collar bone. the witchc uses the girls body (for something??) and then the little sister later grows up and then tries to free her sister!