Bwork Dungeon Key

 is a key.

Obtaining

 * Dropped by
 * Bwork
 * Bwork Archer
 * Bwork Magus
 * Crafted by a Handyman (Lv. 20) from

Uses

 * Access
 * Bwork Dungeon
 * Used in the craft of
 * Bworker Dungeon Key