You'll get this quest from Akara. It's in a cave just outside the camp
on the Bloodmoor. Do yourself a favor and kill everything on the
Bloodmoor before going into the Den of Evil. This should get you to
level 2, perhaps level 3. Hit the Den and clear it out. Quest done.
Return to camp and let Akara know you've cleared it out. Then head
over to Kashya in the camp and talk to her, she'll give you the next