Book of Cognate

Book of Cognate.
Wondrous item (15,000gp)

Description: The book details the connectedness of all things, and describes a way to create a path between any two points that can be instantly traveled.

Effects

 * This book can be used to perform a ritual that takes 5 days, during which the user will enchant wood with specific carvings and runes constructing an arch that will function as a door that can be used to access any other doorway created in this manner.
 * The process of the ritual must be uninterrupted and upon completion the caster will automatically take 4 points of exhaustion.
 * A maximum of 5 doors using this method can be created.
 * The caster must have access to 15kg of wood pieces.
 * The caster must be proficient in Arcana.
 * Destroying one door will result in all the doors being destroyed.
 * The doorways can only be opened by the book.
 * It cost 1 action to open the door.
 * The door is magical and can be detected by anyone sensitive to the arcane.
 * Each door only contains enough magical energy for 6 people per day.