The thrall had not given good news but it was not unsurprising. The Fiends did not rely just on the soulless but also their usual long term planning.
Thralls had been sent to each tower on the border but his arrival had made them consolidate them. In a few decades, they had planned to simply wipe out the towers as it would push the limits to rebuild them in the current age.
They had been built before the Sovereign Tiers took all their descendants and related powers to the 4th layer.
The Great One had actually used the restrictions of Heaven and Earth to keep them out of the battle. All they could do was pull people away!
He urged his speed onward as he was truly worried about the central tower. If it fell, the Whisper Peaks were essentially lost. There were no thralls there as they were constantly screened.