Grime-Encrusted Scale

Source
This item drops from:
 * Umbrafen Eel in Zangarmarsh
 * Fenclaw Thrasher in Zangarmarsh
 * Parched Hydra in Zangarmarsh
 * Bogstrok in The Slave Pens
 * Mire Hydra in Zangarmarsh
 * Mudfin Frenzy in Zangarmarsh
 * Mragesh in Zangarmarsh