See Whispering Goblins. They have psionic abilities and follow @Gul the Marked. They have secured a base of operations in @The Whispering Downs at the @Goblin Outpost. The strategy they employ is to stay in the background and use their telepathic powers to influence the Northward goblins to engage in more dangerous skirmishes with the @Sardorian Army while they assess the tactics and weaknesses.
Example belligerents: @Whispering Goblin @Whispering Goblin Lieutenant @Whispering Hobgoblin Devastator @Whispering Worg