Mannheim Peritonitis Index. A prognostic scoring system used to predict mortality in patients with peritonitis. Long-term survivors have an MPI score of about 20; non-survivors have a score of 33. Risk factorâScore.
What we do know for sure about the Three-Eyed Raven is that he is a Greenseer, gifted with the ability to see the past, present, and future and communicate through dreams. Greensight is more common with the Children of the Forest, but some humans, like the Three-Eyed Raven, also have this ability.
The Three-Eyed Raven says that the Night King touched him, which Bran confirms when a blue hand-mark is imprinted on his forearm. The Three-Eyed Raven says because of that mark, the Night King now knows exactly where they are, and the cave cannot protect them any more.