Forged according to the Jailer's will, the Helm of Domination was to be the vessel of Death's influence on Azeroth. The Nathrezim imprisoned the spirit of the orc chieftain Ner'zhul within the helm, granting him command over a vast army of undead Scourge. The fallen Prince Arthas Menethil freed the Helm from the Frozen Throne, donning it to take up the mantle of the Lich King.
Calia: The specter of my brother hangs over all of us like a shroud. His choices were his own, though it does seem his fate was shaped in part by the hand of the Jailer.
Taelia: My father's fate as well. The helm... that blade... were they instruments of the Jailer all along?
Highlord Bolvar Fordragon says: When the helm rested upon my head, it took all my will to keep its insidious power in check. Many times, I nearly faltered.
Highlord Bolvar Fordragon says: I could sense a dark presence at the edge of my consciousness. Not Arthas... not Ner'zhul. Something... else.
Highlord Bolvar Fordragon says: It is that very presence I sense lurking beyond the shattered sky above.
Highlord Bolvar Fordragon says: I dare not travel with you. Even free of the helm, I fear I would become bound to the will of its true master.