She continued down the stairs holding their bodies by the hair, she wanted to show the human girl that the girls who abandoned her were now dead, maybe she will be happy with that? Don't people who cheat on their friends deserve to die?
'I hope she is very happy with me.' The little girl seemed proud of what she had done, she just helped a person, a person who was abandoned and now she will see that it was the women who abandoned her are dead.
With each step they went down she could hear the noise of the head of the two elves hitting the ground, she was afraid of damaging their heads a lot, so she put more strength in her arms and lifted their heads off the ground.
There will be no problem hurting their bodies, the girl just needs to see their faces so that she feels better.