The Divine Spear

The Divine Spear - Nuclear bomb.

Lore

 * Can be found in Hellgate Underground chest room.
 * Wanted by Bentanagbal.
 * Used in fight between Balzaar and Agathoth.
 * Can be used to destroy Balzaar should you betray him in favor of Agathoth --- destroying both you and Ganezzar in the blast leaving Agathoth in rule of the world.

Achievement
Killing Balzaar with the spear will unlock the Desperate Times achievement.