The group made their way to the keep at the top of Sighing Valley. Using her noble training, Griffin was able to get the group and audience with the lord, whom they suspected was a dragon cultist, and likely in possession of a key the hope will open a magical door.
While out to hunt a manticore, and finding it very easily, Vincent stayed behind to search the castle with the assistance of an invisibility potion. While doing so, he found a secret alter in Lord Merosaka's room dedicated to, presumably the worship of Tiamat. On the alter was a dagger, with a dragon's claw handle, and the key in a glass bottle.
With a bit of dumb luck and subtle trickery, Vincent manages to reunite with the group and escape the keep without being caught by Lord Merosaka. However, before they can get more than 100 feet away, an adult blue dragon swoops down out of the sky (rudely killing Chabbs current "love" interest) and dryly rasps, "I believe you have something of mine ….."