Because only a human soul can free monsters from their underground imprisonment. He immediately became the target of the local rule. From then on, they have been living out of our reach – until one day a little boy accidentally fell through the dimensional crack and ended up in their magical land. Humans won and threw monsters down into the underworld.
Long ago, when monsters roamed the earth freely and were more than just a fairy tale to us, there was a horrible war between them and people.
