Ravenous Vault

General
This is a popular leveling dungeon and at the bottom several special eaters drop a jaw that can be turned in for 35 million xp, an MMD note, a D note, and the title "Ravenous Slayer" when given to Clemenza (72.8N, 73.4W) in Westwatch. There's a three week timer for the jaw.

Eater

 * Ravenous