Nick split up with the girls after that since he was headed for the library and they weren't. They weren't the only students relaxing today as in truth most were with even the ever studious Ravenclaws not having their noses in some book or other. There were of course a few students like Nick who were still studying today such as Hermione who was as per usual buried in a pile of books that served no purpose for her. Nick ignored the girl and started looking for books on glamor spells in the library which proved to be a massive chore in and of itself.-
He specifically avoided the "ancient" section of the library since any books on the topic he found there are unlikely to be of much help in this case. This isn't to say he won't eventually look them over , merely that the normal books would be best for the ring. After an hour of thorough searching Nick found a total of ten books on illusions. He of course started with "A beginners guide to glamor- by Susan Corven" that was clearly an introductory tome on the subject unless the author had played a cruel prank with the title.-
Illusions turned out to be a rather broad subject in truth since according to the introductory statement of the book there were seven subcategories that they fell into , touch , taste , smell , hearing , sight , instinct and combination. All illusions fell into one of these categories without fail and those who tapped into more than a single one fell into the final one. The most famous example of this was the disillusionment charm that covered sight and instinct by making the caster nearly transparent and causing those looking at them to instinctually ignore the mistakes left.-
Nick skimmed through the book quickly as the rest of it was less informative and more just a bunch of spells falling into each covered category. Nick wasn't interested in most of these spells since besides serving as pranks they were nearly useless to him. Sure they had other uses but Nick doubted he'd ever really need to make his farts smell like roses. After finishing with that book he started on the next one that was by no surprise also written by a woman and covered false beauty charms. He once again skimmed through this book but deemed it nearly useless once again.-
The third book however made him wonder Dumbledore hadn't put it in the restricted section yet. The book was called "The art of terror: an illusionist guide" and much like you would expect from such a title it was filled with information about fear based illusions. If there was ever a dark guide to use illusions this book counted without a doubt. Nick was equally impressed with how informative the book was as he was with how disgusted he was at the spells contained within. There was even a legitimate curse in the book that worked like the fear toxin that scarecrow used in the batman comics.-
The only reason Nick knew this was because apparently the memories involving his personal life and things that weren't shared between the two earths had been removed. The rest still remained and apparently comic books were the same in both worlds so D.C and Marvel were a thing here as well. It still amazed Nick how similar things were between the two worlds despite the active presence of magic in this one when it was missing in his previous life. Nick didn't dwell on that rabbit hole for too long however and went back to his books.-
Nick made sure to memorize a couple of fear based illusion spells including the curse so that he would be able to use them if it came down to it. Fear was a powerful tool after all and if used correctly made for excellent protection. Moving on from there the next two books were barely better than the first two books since they covered illusions that were small scale but fairly useful such as the candle spell that made one see a single candle where ever they cast it. The nifty part is that you could actually use the spell to read without any actual light somehow , Nick chalked it up to magic.-
The sixth book was basically full of legitimate pranking spells that Nick may or may not have copied a few of for later use. The final book was called "A practical compendium of illusion- by Quintin Fern" and like the title hinted as full of practical illusions including the disillusionment spell. This book alone gave Nick the biggest boost in understanding illusion spells as it even covered what made them similar to each other. Apparently all illusions worked by manipulating the information sent to ones brain before it was sent which explained why it still worked on occlumens.
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