Nightmare World Book

======
 * Resets the world on Nightmare difficulty
 * Available for purchase at level 25
 * Costs 1000

- Can only be activated on the Surface

- Avilable at the

- Resets all areas below Dirt Layer to Nightmare difficulty (Monster level 35-65)

- All monsters in Nightmare possess deadly Monster Modifiers

On Nightmare, players suffer from the Nightmare difficulty debuff:

-50 to all resists