Fridge Horror: Empress Tyrania tells one of her Gargoyle troops to clean the skeletons out of her torture chamber. While that's bad on its own, it gets worse when you realize that Gargoyles don't leave skeletons behind, meaning she's not torturing Gargoyles to death there...
Jerkass Woobie: Though Deadlock is definitely a villain, it's hard not to feel sorry for Deadlock considering the hardships that she had to endure, in part due to the fact that she's considered to be a freak among her race, including her own parents.
The Warden brutally beating up a Cheetah slave for stealing food from him. The Cheetah says he didn't and the Warden replies by telling him it doesn't matter because the Warden said he stole from him. He then describes it as "unwinding" when Ember confronts him about it.
Boss Kaze crosses this by threatening to "have his way with" Delilah after she's captured.
Word of God has it one of the writer's main reasons for including her in the story in the first place was being sick and tired of her getting the Ron the Death Eater treatment and wanting to make a more complex and likeable version of the character that was still true to her original character from the classic games.