After the explosion of heat, the light stops radiating from the book. Air begins to rush past your ears as the book begins to suck the air and light out of the room. The rushing air grows to a roaring thunder before ending in a tremendous boom. The book slams shut and falls to the floor with a thud.All light has been extinguished and all oxygen has been removed in a 200 ft radius..

You take 3d8 Psychic Damage

Make a DC 18 Constitution Saving Throw to avoid falling unconscious!