Dispatch and Release

 is a quest in the Undermountain Campaign that unlocks its first campaign zone, the Catacombs. This quest becomes available after completion of An Important Invitation.

Steps

 * Go to Undermountain Catacombs
 * Enter the Undertakers' Territory
 * Defeat Undertakers (0/8)
 * Enter the Undertakers' Prison Cells
 * Rescue Anton