Morbent Fel is a necromancer, and an ally to the dark riders. I would pit you against the power of Morbent Fel, but I will not send you against that vile fiend without first knowing your strength.$B$BYou have already proven your bravery to me, but if you truly wish to face the necromancer, then you must now prove your skill against his minions.
Kill 15 Skeletal Raiders, 3 Skeletal Healers and 3 Skeletal Warders, and then return to Sven.
Return to Sven Yorgen at The Hushed Bank in Duskwood.