Fujimaki's introduction in episode 2. He's shown calmly making soup in the kitchen of one of his restaurants... While a man is clearly being beaten to death in the next room. He then starts calmly explaining how you make soup stock out of 'wild game' by boiling their bones enough. The implications for his restaurant are left out in the open.
Fujimaki: If you take your time boiling it you can get 500 grams of stock out of 500 grams of bone. Works out quite nicely, doesn't it?
**Dramatic Pause, while more beating sounds come through the wall**
Fujimaki: Mr. Nanbu... How much do you weigh?
Aragaki's attempted suicide is nothing short of the pure terror in the man's eyes of his due to his time as a soldier, and hearing his piercing cries while in a dimly lit room holding a gun to his mouth.
Yuri's recuperation after having his Gear removed is disturbing. He spends days lying on a cold floor, crying out in pain, his arms and shoulders wrapped in bloody bandages.
During his recuperation, Yuri has a nightmare in which his body transforms into hot stone, a reflection of his physical pain.
After having his Gear removed, Yuri's arms and shoulders are covered in raw pink tissue where his Gear interfaced with his body.
Nomad
“The Hero” Mac Rosario’s fabled Mac Time being a side effect of his brain chip malfunctioning as opposed to his own resolve, as revealed by Mikio Shirato. The nightmare part comes from his championship fight with Liu, where it activates and he SAVAGELY beats the five time Megalonia champion so bad he needed to be rushed off to surgery.
