- Run Yu's flashback to his childhood. The other children bullied him because he had horns, and his mother cut them off while he cried and begged her not to.
- It gets worse. After we are treated with disturbing image of Su Li's hands covered in blood, and Run Yu's haunted description of how cold he felt and effects of blood loss, which colored his robes red, we are told that horns and scales kept growing back (bonus, it is forbidden to touch dragon's reverse scales, which Su Li was repeatedly tearing off with her bare hands, essentially flaying alive her own son's torso), so Su Li cut them off again and again, whole time telling him that she was doing it for his sake... until Run Yu started doing it himself, and eventually tried to commit suicide- and then Empress found him.
Nightmare Fuel / Ashes of Love