Necklace Of Teeth Quest

From Marcius:

• Go n, 2e, 2s, w, 3s.

• Kill A plagued rogue.

• Get a jaw bone from his corpse.

• Go 3n, e, 2n, 2w, s.

• Give a jaw bone to Marcius the historian and receive black bone key.

• Go 2n.

• Unlock n using black bone key.

• Open n.

• Go n.

• Kill ManyJaws.

• Get a necklace of teeth from its corpse.