It was nighttime and a certain cloaked figure was outside the castle near the woods, carrying a trunk and a rather dangerous book. No, it wasn't a book on advanced Dark Arts or anything of that nature. If one were to look closely, the title would certainly be recognized by Muggle-borns although not many were likely to know what it was. The brown book itself had the title itched on the cover "The Anarchist Cookbook", written by William Powell. The cloaked figure had found the book in a cobweb-covered section in the library and wondered on why a Muggle book like this was ever placed there in the first place.
Near a clearing in the woods and staying near the edge leading to the grounds, the cloaked figure opened the trunk that had a number of ingredients and components that he had bought from some Muggle stores. Fuses, Ammonium Nitrate, detonation caps, and a few other components were stashed in the side compartment. Flipping the page, the cloaked figure looked at the instructions before following them. Within an hour, he had assembled the explosive devices before adding pieces of broken bark to create his own set of homemade IEDs. Looking down at the book and reading the section on trip-wire accessories, he followed them down to the letter, modifying the devices before setting them up within a cluster of nearby bushes on the walking path. The cloaked figure rolled the pitch black wires to their maximum length, setting them up as security precautions to cover his trail before going deeper into the forest for further construction on more bombs.