Goblin

Goblins are the first creatures you will be able to summon through the portal to your command. They are relativley weak and cowardly, but if sufficiently trained in high numbers or backed by powerful allies, their morale will greatly increase, significantly adding to the danger they pose. While they are the weakest warrior type creatures, their strenghts lie in the low cost and time needed to summon them. This can lead to high numbers of Goblins which is when they truly shine, as while a lone goblin will often flee from overwhelming danger, in high numbers they become like locusts to many foes.

Outside of their role in combat, Goblins arent particularly useful in the dungeon, but they will often patrol your domain and act as spotters against invaders.

Lore
It is unkown if goblins were always as vicious and malign as they are today, but it is certain they existed long before man, as with many other creatures in the Lords' employ. What is known is that Mordred first enlisted their aid as the Great War was brewing, likely due to their high numbers making them ideal frontline troops. It is a matter of speculation whether or not it was Mordred's influence and training that turned them so ferocious.

Prior to his intervention, Goblins were nomadic and reclusive creatures, living in the deep wilderness or even along the edge of human civilisation. As they had no real society before this and Mordred's leadership was the only one they had ever known, upon the defeat of the Netherlords the goblins scattered, directionless and frightened. Many were slain, but those who were not returned to their previous life, retaining the lessons that Mordred had taught them, both of war and hatred towards Man. Many goblins later developed a raiding nomadic lifestyle, which has earned them the ire of men as dangerous pests and criminals.