Board Thread:Suggestions forum/@comment-27200931-20170404182839/@comment-31907131-20170408021621

Only with the One could Sauron have full dominion over Middle-Earth. That was a common theme throughout LotR. If there was no gain for regaining it, why would he want it? Losing it was certainly a handicap. The first time it was taken from him, he could no longer physically manifest himself.