The key to Scholomance is called a Skeleton Key.  It must be forged from the remains of a skeleton - several actually - and hardened by only the strongest of metals within a suitable mold.  A signet of power from a being who naturally can open the portal to Scholomance will make the key ultimately function.$B$BFirst thing's first though, $N.  We'll need skeletal fragments for the key's forging.  Skeletons inside Andorhal should yield what we need, but the ones outside the walls might work too.