From the kickstarter: If you love 5E but would like a little more depth to the rules, Level Up is the new game for you! ... This 550-page hardcover, spearheaded by Paul Hughes of the Blog of Holding, completely revamps the 5E monsters you already know with new monster math, CR calculations, encounter building rules, variants, and useful tables for each monster such as names, signs, behavior, lair features, encounters, treasure, and more. Read more about our monster tools.