These are what we call the 'YMMV items.' Things that some people find in this work. We call them 'your mileage might vary' because not everyone sees these things in the same way. This starts discussions in the trope lists, a thing we don't want. Please use the discussion page if you'd like to discuss any of these items.
YMMV: Otherland
Alas, Poor Villain: It is arguable that the audience is intended to feel some small degree of sympathy for Jongleur, as he's given a very fleshed out Freudian Excuse, Bad Dreams, and a very nasty death. Of course, he's unquestionably the author of all of the evil that occurs in the story, so at some point the justifications ring hollow.
Growing the Beard: The first book, before the characters really get into Otherland, reads like something of a Justified Tutorial. It's very clear that the series is written as a coherent whole, rather than four separate novels, and the plot doesn't get into full gear until the second book.
Iron Woobie: Paul Jonas. The man spent eternity in the trenches of world war one and things got worse when he escaped. And he just kept going, and going, and going.
Nightmare Fuel: So very much. If it involves John Dread, it's going to be fairly horrible, particularly when he gets godlike power. Also, the Other inspires nightmares in its power and inhumanity.
Trapped By Mountain Lions: Okay, yes, technically every one of the massive number of plot threads matters in the end, but there are so, so many...