1x found in a chest, in the chapel with a shortcut lift, right next to the Dragonslayer Armour boss.1x found on the balcony outside the dark room with the Mimic.3x dropped by a Mimic chest, at the back of the dark room at the top of the stairs, after the dragons.1x found on a corpse under the right-hand Dragon (seen from Dragon Barracks), the dragon has to be killed to reach it.1x found in a chest near the Dragons, guarded by an Outrider Knight.4x in Untended Graves: 2x dropped by each of 2 Ravenous Crystal Lizards in Untended Graves (in the same location as the Lizards in Cemetery of Ash).