The Walls of Ardenia

After the establishment of the two Northern Kingdoms in the The Liberation of the North, most Orcs have been driven away from Kalazan borders. However, the surviving Orc tribes fleed to the North, and the increased Orc concentration West of Korim became uncomfortable to the Great Houses. A deal was struck with Lord Balthus Arden, a Haldrimian Nobleman. Lord Arden agreed to raise his banner men and clear the lands west of Korim of Orcs. In exchange, he asked to keep the liberated land to establish a third human kingdom.
Unexpected to Lord Arden's armies, the Orc tribes who had thus far been weakened by infighting and a lack of organisational structure, had banded together and organised into a far more formidable foe than before. This was known under the Orcs as the Kin Pact. Lord Arden found himself in dire circumstances after losing most of his men in a deadly battle, and begged Korim to send aid.
In response, The Crucible decided to deploy their construct army on the surface for the first time since its development centuries earlier. With the help of the lumbering golems, Arden drives the united Orcs into the Urshok Mountains, where they live to this day.
Lord Arden began establishing his kingdom, naming himself king, but progress was slow due to constant raids by the remaining Orcs. The Urshok Mountains proved to be an effective hiding place for the Orcs, and their numbers grew once more as they regrouped. Once again, now King Arden sought the help of the Dwarves.
The Crucible saw it fit to deploy a regiment of stonemasons to construct a giant barrier wall between Ardenia and Urshok. Working at a pace that only the dwarves could uplhold, the wall was completed within two years.
Recently, as the neighbouring kingdom of Haldrim made peace with the orcs, Korim once again deployed their stonemasons to extend the wall to the South. This was seen by many Haldrimians and Ardenians as an unnecessary measure. It also sparked rumours that Queen Aeleth Arden, daughter of the founder, was nothing but a puppet for her dwarven masters, as she apparently had no say in the extension of the wall.