Wererat Lair

It is unlocked, but not revealed, at a certain point in the An Ancient Formula quest.

Description
"According to Bokken, some wererats have been seen in this part of the forest."

Loot

 * Potion of Cure Light Wounds
 * Potion of Remove Blindness
 * Potion of Remove Curse x2
 * Swiftfoot Boots