The Monster is a nickname of a strange,evil and dangerous presence in the desolate Dinares Sector.It appeared as a minor plot,but soon it became an important part of storyline.
First Contact - Birth of the legend
Mar Sara and Sons of Korhal have created an alliance against Tarsonis.They were leading a small operation somewhere on the borders of Dinares Sector. Luke,the commander of Mar Sara,and Cyran,leader of Sons of Korhal,have descended to the outer territory of Zerus.They have discovered a torn jacket hanging on a branch with an arm inside.This caused the legend to born.
-There is a cross standing outside the territory of Zerus.It may be linked to the infamous jacket.