Minerva's Morse Code

The ex libris in the books that was discovered by Phil and was further exposed by Emma.

Promise
This is the Promised Contract that the world was split. One for the Human world and the other for the Demon world. Chapter 47-48

We shall make a treaty as follows:
 * 1) Humans won't hunt Demons anymore.
 * 2) Demons won't hunt Humans either.
 * 3) The world they live (Earth) in is divided in two.
 * 4) Crossing the border between the two worlds is forbidden.