Angmar has almost completely dominated Arnor, but Fornost still remains to be taken. The Dúnedain and their allies all gather for this final assault. In order to prevent a foolish advance (and subsequent destruction), the Witch-king prepares a base and gathers his forces first. After all the preparations, they begin the assault. Angmar starts by destroying the front gate and some of the outer defenses. Combining the fury of the Angmar army and deadly Angmar ice powers, the Witch-King slowly wears down the fortress one building at a time.
Over night, the armies of Angmar outaken the first outer defenses. Casualties are both sides are high as the Dúnedain desperately battle for their lives and Angmar's army fights in a berserk rage. In the end, the citadel of Fornost is destroyed and the structure falls. Angmar has achieved complete victory over Arnor, and has now opened the opportunity for complete domination of the North. The Fall of Arnor was over