* CompleteMonster: "The man" [[PsychoForHire Jack Frost]] is the most dangerous and wicked [[ProfessionalKiller assassin]] of the [[AncientConspiracy Jacks of All Trades]], and is the main antagonist of the novel. First seen after [[WouldHurtAChild murdering an innocent child]] and her parents, Frost tries to stab a baby to death in order to prevent him from growing up to become a threat to his organization, and, when the toddler escapes, Frost nearly murders an innocent man while in his pursuit of the child. Years later, Frost returns to kill the boy, now a teen named Nobody "Bod" Owens, and, after sending his fellow Jacks after the boy, knowing they will most likely fail and die, Frost kidnaps Bod's best friend, Scarlett, and tries to kill both her and Bod for "pride in his work", at which point Frost plans to use [[EldritchAbomination the Sleer]] to remake his organization in his image and make himself all-powerful. Sociopathic and cruel, Jack Frost is a dark villain to match this [[WhatDoYouMeanItsForKids dark novel]].
* EsotericHappyEnding: Bod leaves the graveyard at 15, with a passport, a small suitcase, and a wallet which explicitly carries a good, but not huge amount of money. He's a FishOutOfWater with [[BlueAndOrangeMorality ethics and mindset of the dead]], a large fraction of his education was in using powers he no longer has, and he has barely any experience with normal human interactions (he attended school for barely a few months and went to a restaurant for the first time less than a year ago). He wants to travel the world and experience life, but has neither the means nor skills to do so. Between being a minor too young to even get a minimum wage job, homeless, and without a diploma or marketable skill to his name, Bod is likely not up for a happy next few years.
* NightmareFuel: [[WhatDoYouMeanItsForKids ARGH]]. [[{{Angrish}} Just... GAH.]]
** To be more specific, the [[spoiler:part where Jack Frost is "protected" by the Sleer.]] Although there are a few more segments that could fit this trope, like [[spoiler:the fate of Nick and Maureen]]. But none are as bad as that first one.
* WhatDoYouMeanItsForKids: For God's sake, the book's first sentence is "There was a hand in the darkness, and it held a knife."
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