Whatever happened to Radaghast?

[Attalus]

Originally Posted by Valandil

I suspect not beyond his powers - since they were in the forms of men, and Saruman himself was slain by a man (of sorts). But possibly beyond his inclinations and preferences.

Good point. A Balrog, or even a Man, could slay the body, but only the Lords of the West could cast the spirit into the Void.

How much, I wonder, of Saruman's vulnerability to Wormtongue's blade was due to the fact that Gandalf broke Saruman's staff and cast him from the Order?