Board Thread:Suggestions forum/@comment-25981649-20171129144913/@comment-25754873-20171129194715

Nurn is already fertile to the point of it feeding Mordor. Plus, Sauron can easily get slaves from his supporters, he was "both king and god" after all. Plus, Sauron's will was directly upon them, they could not revolt.

Hobit, Chief of the Inquisition (Inform me of heretics)