Posterus Green is a wooded area North-East of Esse close to the Hironeiden border.It serves as a battle-ground for Geralds second last mission in KUF:The Crusaders and as a road to Kallishire which is just North. It's only involvement in the series is Geralds second last mission where retreating Orcs and Dark Elf Archers from the Hironeiden and Esse sieges had attempted to settle in a large village surrounded by several "shanty towns".
It is here that the player faces the highest leveled enemy unit in Geralds campaign, a level 24 Orc Heavy with Ogre Officer.