Flash Bomb

Flash Bomb causes all beasts to flee from the user. It can be used on any mob labeled as a beast, as well as hunter's pets, Druids, when they are in an animal form, and Shamans in Ghost Wolf.

Source
Flash Bombs are made by engineers with a skill of 185.

The components are:
 * 1 Blue Pearl
 * 1 Heavy Blasting Powder
 * 1 Silk Cloth

The Schematic: Flash Bomb is a quest reward from the quest, given by Rigglefuzz in the Badlands. You also receive one Flash Bomb on completing the quest.

Background
Developed by dwarven law enforcement as a safe way to stun and disorient thieves for easy apprehension, the flash bomb looks much like a standard grenade except for its compact, oval shape. When thrown, it explodes with a bright flash and loud bang.