Ever since you were young, you have been visited by a long dead warrior in your dreams.  Lady Orla, who famously slew the infamous Necromancer of the Swamps, has called on you for help.  She is trapped in a state between life and death, and has called on you to restore her to the land of the living.  She has taught you how to bind the soul of the defeated Necromancer to help you in your quest.