The girls are: Lara Croft, Princess Leia, Alice, and Power Girl.

https://www.deviantart.com/tarr2000/journal/Haunted-Halloween-Hysterics-549144689
Four sorority pledges were told to dress up for the Halloween Party at their house, but before they'd be allowed to join in they'd have to take one of the candles from the spooky abandoned house on Halloween night. The girls dressed as Lara Croft, Princess Leia, Alice, and Power Girl for the party and swung by the house, not the least afraid of a stupid ritual. But what they didn't know was that this was a sorority initiation tradition, because they knew the house was haunted, and what the ghosts did to trespassers...

Base +30