"General! We have need of you and your brave men! The late Vez'nan's caused trouble from beyond the grave. While you were battling him, he sent one of his hordes to wake up one of the dreaded spider queens, Sarelgaz!
We thought the spider queens would never wake again, but Sarelgaz has, and with her powers over darkness she's taken control of Vez'nan's remaining troops. You must vanquish them, and slay Sarelgaz!"