Eria Sceptre Quest

From High Sylph:

• Go s, d, s, 2w, 3n, e, 5n, 3w, 3n, 3w, s.

• Get black lichen from ground.

• Go n, 3e, 3s, 3e, 5s, w, 5s, 2e, n, u, n.

• Give black lichen to the High Sylph and receive the Dryad key.

• Go s, d, s, 2w, 3n, 2w, u.

• Unlock w using the Dryad key (caution: don't get locked in the Banshee's cave without this key!).

• Open w.

• Go 4w.

• Kill the Banshee.

• Get the Eria sceptre from her corpse.