[Loki waits until Billy is out of his apartment, then under cover of invisibility slips inside. He rearranges Billy's bookshelves to put everything in reverse order of height, then short sheets his bed because why not. Then he finds Billy's chess set and puts it out on one of the shelves, setting up the pieces to echo the halfway point of the last game that he and Billy played.]
[December 11: THE PRANKENING]