IRIS is blue-tinted due to the fact she is a hologram, and has dark blue hair, blue skin, blue eyes, blue lips and a blue shirt. As noted by your character, she looks extremely like Lila, which IRIS thinks is because Everett Rourke, her creator, had a 'type'.
IRIS is programmed to be helpful and think strategically. She is not programmed to have facial tics so it is impossible to tell if she is telling the truth or lying. Her Achilles heel is directive 1908, which makes her 100% obedient to Rourke.
IRIS acted as Everett Rourke's personal assistant that he would consult until he told her to self-destruct. In Book 2 Chapter 3, Rourke uses directive 1908, which resets IRIS's personality and makes her unquestionably obedient to Rourke.
When conversing with Rourke, it is shown that she is deeply concerned about Your Character and their classmates despite the fact that she has never met them. When Rourke uses directive 1908 to make her obedient to him, you can either choose to tell her to fight him or call her a traitor.
- In Chapter 10, do not guess IRIS' name correctly on the first attempt, even if you have played the game before and you know the right answer. Blood will gush out of your eyes and nose and you will die. The games will also give you a warning about cheating.
- Diego's Catalyst Idol shows him and Varynn getting gunned down by IRIS