That character in question has been held in captivity for quite some time, and it's a pretty gruesome sight when you finally discover them, but apparently BioWare didn't intend to make it that gruesome. Problematic representations of autism aside, there's an especially disturbing scene where a character's eyes are unintentionally incredibly red. Since Mass Effect Legendary Edition includes all three games' DLC, many players are encountering Mass Effect 2's Overlord DLC for the first time ever.