There is a gate in Queenscross, whose arch is topped by a bell-tower. The bell within tolls mournfully in the whistling desert wind, and is said to herald the appearance of ghosts.
The Desert King forces have decided to capitalise on this, and one of their Sorcerer's, accompanied by his mummified Leander bodyguards, has summoned the ghosts of warriors who fell during the war against Revolword.
Against these apparitions, the High Council soldiers from Barqa have no chance with their hastily erected wooden barricade.
Some extra pics in the spoiler tags:
C+C welcome!