Dark Tower Sword

Location: Yulgar Zombie
Price: N/A (Reward from the 'Fight Fire with Fire!' quest)
Sellback: 0 Gold
Rarity: Unknown Weird Rarity
Base Damage: 27-33
Description: This blade emanates corrupted power, pushing away the light and drawing in the darkness.
Note: Also see Light Tower Sword.

Thanks to iceslide300 and Tanpa___Nama.