Radagast from The Hobbit. Helping him fight Sauron. What happened to him next.

We on the channel have already dealt with four of the five representatives of the Order of Wizards of Istari in quite a bit of detail: Gandalf, Saruman and the two Blue Mages. About the fifth member of the order spoke little, and today we will try to correct this.
It will be about Radagasta - a wizard who, along with the rest of his "colleagues" arrived in Middle-earth to fight Sauron. However, he was engaged not only and not so much in this mission, but also in other matters.

[@GeoffreyWare]

It's a decent theory And gives some closure to Radagast

[@ernielarkin4793]

If his talent lay in the flora and fauna.
It would make sense that he would stay behind to help heal the land.

[@juanjomtz4606]

No, the Nazgul rings were distroyed in Mordor when the one ring fell into Mount Doom and even if somehow they survived its stated that all rings lost their power.