fb7d1f71__Walkthrough_by_metzomagic_com__Why_and_How
[Who] Jormund [Where] Qintarra [Why and How] 
You must secure his release by proving that he didn't kill Wrath. Once he agrees to join your party, he's got a full complement of Fire and Force spells (including Disintegrate!), so he can be quite handy.
Arcanum Walkthrough - Just One of Many Reviews on this Website Walkthrough by metzomagic.com
Why and How