Thrain in Dol Guldur

[Inziladun]

Originally Posted by Zigûr

I never even imagined Thráin being "interrogated" especially. I always assumed that Sauron simply arbitrarily tortured him or had him tortured, took the Ring from him, probably in person, and had him thrown in the dungeons to die.

Well, Sauron may been interested to know how the Ring had come to Thráin, just to help him keep track of where one of his Seven had been, and maybe piece together any sort of mischief it had accomplished. Probably not much beyond that though.