Moon rune

Locations

 * In Chapter III, found on the corpse between the 2nd and 3rd archways in the kikimore queen's lair.
 * In Chapter IV:
 * found in the chest on Black Tern Island (near the circle of elements).
 * received from The Rock, one of three possible rewards.
 * In Chapter V
 * sold by the fence.
 * found in a chest in the courtyard of the old manor.
 * found in Agnes of Glanville's trunk.