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.
Complete Monster: Emperor Nicholas the Puissant, who has conquered the world in an alternate dimension. He kills people who fail him, tortures Nega-Ki to ensure his counterpart's obedience, then threatens to torture prisoners to death in front of him if he wastes time, and it is ultimately revealed that he doesn't want Project Velociraptor so that he can win the war with the aliens laying waste to Earth, but so he can escape and re-establish himself elsewhere.
Rape Is a Special Kind of Evil - Nega-Nick's repeated attempts to get Ki in bed are thwarted each time almost like Ki had Plot Armor or the author saying "No, I'm not going to have that happen". Given that there are several Reality Warper characters on the good guy squad, this is possibly deliberate.