Gorka,
From what little I understand of magic, banish injures a spirit foreign to the plane its on and returns it to its home plane. The Idea of banishing this trapped person may work, provided he can survive the injury. Could anyone please fill me in on what's going on with this Nitus fellow and a hole in our plane? im afraid i only met him once to free a wind wierd.
Respectfully,
Deoman, the Runner.