Keeper of Sorows / Saryrn key or (KoS KEY)
This quest, and all loot is found entirely in PoTorment
Collect all 4 Spheres from the 4 Different Avatars in PoTorment
Collect the bag from doing the Stomach Event in PoTorment after killing the last dude
Combine all 4 pieces in the bag and u get the key.
A Screaming Sphere
MAGIC ITEM LORE ITEM NO DROP
This key did not used to be able to be added to your key ring but it now does. fits nicely on your key ring