A prison for dreams

In the middle of a devastated land, There is a forest where the dreams and unconsciousness of passers-by are drawn and later transformed into reality, but remain within the boundaries of the forest, and although it must be scary, people enjoy it, because there, their eyes are obscured by magic dust, which tricks them into showing them instead of monsters a fun pets. There is also a bright blue light coming out from the trees. Suddenly, the borders of the forest are closed, and a baby is stuck there, and the only creatures that are not made of people's dreams take care of him.
After he turns thirteen, he decides to live alone with his talking pet, and they begin to explore the forest and fight evil dreams.