Ghost Souls could not possibly contain remnants of Great Dao Power within them.
The Ghost Souls in the Azure Flame Sect's Ancient Prison Dungeon had possessed no Great Dao Power.
They were entirely different from the Ghost Souls here.
Which meant...
This Ghost Soul was, in the truest sense, a Sovereign's Remnant Soul.
Because...
"Only Sovereigns can control Great Dao Power."
"Even those at Limit Creation only grasp Dao Resonance. A peak Limit Creation expert like Wu Ge had grasped no more than the Half-Step Great Dao."
Qin Hao's expression darkened. He finally understood what was happening.
The Ghost Soul before him... in a sense, it could still be called a Ghost Soul. It was simply far more formidable than those in the Ancient Prison Dungeon.
Most Ghost Souls in the Ancient Prison Dungeon had formed after Ordinary Creation, Marquis-Rank Creation, and King-Sealing Creation experts died.
But the Ghost Souls here...
They had formed after Sovereigns died.
"When a Sovereign falls..."
"If they haven't truly died, a Remnant Soul remains."
"Without a treasure to sustain it, even a Sovereign's Remnant Soul may turn into a Ghost Soul over the long years."
"It loses all reason and becomes a Ghost Soul with no awareness whatsoever!"
A Sovereign's Remnant Soul.
Qin Hao had seen one before.
In the Nether Demon World, he had encountered the Azure Li Lord's Remnant Soul.
But...
Not much time had passed since the Azure Li Lord's Divine Body was destroyed. Besides, the Nether Demon World and the Nether Demon Palace protected her.
Her Remnant Soul would not dissipate, even after countless years.
As long as another Nirvana Expert helped her, she could regain her former power.
This Ghost Soul had very likely once been in the same state as the Azure Li Lord. Otherwise, it would not