[Bonus] Conqueror of the Gahaz Bandits' Lair!

Description

The Black Spirit wants to teach the Gahaz Bandits a lesson and show them who's the strongest of them all.
Destroy the Sandstorm Watchtowers and Bandits' Treasure Chests at the Gahaz Bandits' Lair, then talk to the Black Spirit.

※ This quest can be repeated.