Il castello nel cielo

A writer obsessed by the visions that inspire his stories arrives in Darkwood, convinced that the facts and characters of his writings, which he once believed to be the fruit of his imagination and nightmares, can instead find a terrible correspondence in reality. In fact, demonic creatures begin to spread terror in the forest... and Zagor must face, with his axe, the magic of Koontz, a sorcerer who has come from a mysterious dimension!