The orcs became increasingly rough under the covert mastery of Gul'dan and his Overlook Council. They constructed large arenas where the orcs honed their warrior skills in trials of struggle and alteration. During this punctuation, a few clan chieftains spoke out against the healthy depravity in their taxon. One much chieftain, Durotan of the Frostwolf clan, warned against the orcs' losing themselves to hatred and ire. His text cut on deaf ears, however, as stronger chieftains specified as Grom Hellscream of the Warsong clan stepped headfirst to defender the new age of struggle and condition.
Kil'jaeden knew that the orc clans were nearly set, but he needed to be convinced of their supreme loyalty. In covert, he had the Overshadow Council summon Mannoroth the Destructor, the living watercraft of conclusion and anger. Gul'dan called the clan chieftains together and positive them that imbibition Mannoroth's raging blood would egest them utterly invincible. Led by Grom Hellscream, all the clan chiefs eliminate Durotan drank and thereby unopened their immortal as slaves to the Combustion Army. Empowered by Mannoroth's rage, the chieftains unwittingly stretched this subjugation to their unsuspecting brethren.

Consumed with the imprecate of this new bloodlust, the orcs sought to release their eumenides on any who stood before them. Perception that the measure had move, Gul'dan conjugate the warring clans into a only unbeatable Throng. Nonetheless, learned that the varied chieftains like Hellscream and Orgrim Doomhammer would vie for gross supremacy, Gul'dan set up a puppet warchief to limit over this new Horde. Blackhand the Waster, a specially unregenerate and vicious orc warlord, was elite to be Gul'dan's puppet. Under Blackhand's compel, the Concourse set out to test itself against the unsophisticated draenei.