The Immortal Realm was simply too vast.
So vast that even with Great Void Shift, a million-strong demon army, and two Demon Sovereigns from ancient times overseeing the campaign, clearing out the collapsed Mortal Forbidden Zones still took ten long years.
After the Mortal Forbidden Zones collapsed across the board, everyone thought the apocalypse was upon them.
But Si Chen never gave it a chance.
With the two Demon Sovereigns, the million-strong demon army, and those few people from Undying Mountain, he swept through one star after another.
Sunset Glow Heaven, Pure Subtlety Heaven, Great Red Heaven, Purple Pole Heaven...
One by one, the starfields marked on the star chart were purified.
Sunset Glow Heaven had the most Other Race creatures, their swarms stretching like a plague of locusts. Even Red Bean's solar true flame took three days and nights to burn every last one out of the entire starfield.
Pure Subtlety Heaven had the most treacherous terrain. Void storms raged so frequently that the demon ships could not deploy, so Feng Qing personally led ten Demon Emperors into battle, her phoenix flame scorching the starfield.
The Other Race creatures in Great Red Heaven were the most cunning and had learned to scatter and flee, but fleeing meant nothing before Red Bean's Great Void Shift.
She simply divided the million-strong army into ten forces and deployed them throughout the starfield, encircling the enemy simultaneously. After the battle, she retrieved everyone with Great Void Shift-clean and efficient.
Every battle was different, but the outcome was always the same: they swept through like a storm crushing rotten wood.
As for Emperor Realm Other Race creatures, none had appeared since Shuijing.
No one knew why, but everyone knew this was far from over.
Of course, the army had not spent those ten