A structure with two towers kept watch over a significant plaza located in Chaleydonia, the capital city of Christophsis. The building consisted of a pair of towers, with one tower oriented towards the northern direction and the other positioned towards the southern direction. Back in 22 BBY, during the Battle of Christophsis which occurred at the beginning of the Clone Wars, Jedi Generals Obi-Wan Kenobi and Anakin Skywalker, together with their clone troopers, prepared a trap for Separatist troops inside the towers. Unfortunately, their scheme was revealed to the Separatist commanding officer Asajj Ventress by a traitor among their own forces, which compelled Kenobi, Skywalker, and their soldiers to pull back from the building.