It's the enemy o' the Light and is hellbent on snuffing it out of the universe. I think. I'm not entirely sure because all that scholarly stuff is soooo not my thing. I just know that it's bad and nearly destroyed us all.

[A part of him does remember the True Darkness and it ... did in fact make things very dark. But that's a disconnected memory from lifetimes ago that he prefers to keep shuffled away.]