“Are you familiar with Kael'thas Sunstrider? He was a powerful leader on your world for a time.
The immense anima of that lingering power attracted the Master's attention, to the eternal detriment of Kael'thas's soul.
<The Accuser's lip curls in disgust.>
Every soul deserves a chance at redemption, adventurer.
If you do not believe that, believe me when I say that this soul is immensely powerful and still at risk of self-destruction.
Release him so that we may walk his path of redemption together.”