Medusa Shield Quest/Spoiler

Required equipment

 * Rope
 * Preferred Antidote and Invisible spell.

Method

 * Head to Drefia west of Darashia and enter here. You may want to use Invisible now.
 * When coming down head south-east and continue down. After that continue further down again.
 * Continue north to yet another hole, and enter it.
 * Head east and through the level 60 gate of expertise.
 * Up the hole you are now at you will find a Vampire, several Necromancers, several Priestesses and thier summons (Ghoul, Ghosts and Mummies).
 * The rewards are located in a coffin in the east part of the room.