Húrin knowing everything

[Inziladun]

To elaborate, the Introduction to The Children of Húrin has this to say about Húrin's experience as a prisoner of Morgoth:

The torment that [Morgoth] devised for Húrin was 'to see with Morgoth's eyes'....if one were forced to look into Morgoth's eye he would 'see' (or receive in his mind from Morgoth's mind) a compellingly credible picture of events, distorted by Morgoth's bottomless malice; and if indeed any could refuse Morgoth's command, Húrin did not.

It goes on to say that Húrin wanted to look: to see what was happening to his kin, and also because he was proud enough to believe he could determine fact from lie out of what he saw.