It was no surprise that Gul'dan had taken control of the Iron Horde. When Nathanos heard the news, he merely said, "Grommash has lost his authority. Naturally, the Orcs will seek another path."
Khadgar declared that they should take the initiative and destroy Gul'dan's scheme before the Burning Legion could gain a foothold. Only The Witherer knew that Sin Slayer was the one behind Gul'dan. At this critical moment, Sin Slayer intended to squeeze the last bit of value from the Iron Horde.
The plan for the final assault on Tanaan Jungle was settled in a single night, with Hellfire Citadel as the ultimate target. Nathanos, however, did not care how they intended to clean up the mess. He only hoped the decisive battle would come soon. He believed he would see Sin Slayer again.
The closer they came to the end, the fiercer the enemy's resistance became. On the day of the final battle, no one expected to face Grommash Hellscream, his entire body overflowing with fel energy. Nathanos did not join the battle at the Ruins of the Dark Portal. He sensed that the true enemy was nearby.
Sin Slayer had chosen a particularly fitting location. It was in Outland, at a place called the Throne of Kil'jaeden, where Gul'dan had once tempted the Orcs into drinking Mannoroth's blood. This had once been a gathering place for demons, but it had now been swept clean.
"You came?" He welcomed Nathanos with calm composure. Nathanos was somewhat surprised and glanced around.
"Don't worry. There's no ambush. I dealt with the demons too." Sin Slayer pointed toward the entrance of a distant canyon, where a corpse blocked the view. Nathanos recognized it at once as the demon lord Kazzak.
"I found this thing in the Alliance camp. Have you