A United Goblin Kingdom

It's been a long time since you last felt the joy of conquering a goblin clan. Most of the clans had been united under your banner and most importantly, had declared you the Goblin King. 'Goblin King Grom' you thought to yourself 'What a wonderful title.' You quickly snap out of it when a messenger runs through the trees to where you and your five elite royal guards wait.
"Sire they've surrenders." He says panting. A smile goes across your face.
"Bring me to their chief." After killing their chief you control a kingdom that can hold it's own against any invading army, elven, man, or monster.