Cooperation required an exchange of benefits.
As the saying went, all the bustle under heaven was for profit; all the clamor under heaven was driven by gain.
To get the great empires to join forces and attack the Far North, simply rescuing the abducted powerhouses clearly wasn't enough.
The Sun Moon Empire's urgency was understandable. After all, the lives of more than a dozen Level 9 Soul Engineers hung in the balance, and a Hand of National Protection unit had been lost as well. Naturally, they were anxious, but the three great empires of the Douluo Continent had suffered very few losses.
To escape the blast from Tang San's divine soul clone, Huo Yuhao had pulled everyone into the Undead Demiplane. Once they were safe, he had thrown out everyone belonging to the factions of the Douluo Continent's three great empires.
This time, he hadn't used Ring Inscription to control them. After all, he had his principles.
These people hadn't provoked him, and he disdained doing such a thing to them.
Had they been enemies, he naturally wouldn't have shown any mercy.
After becoming invincible, his mindset had changed considerably.
He wanted only to act with domineering might and defy heaven.
The three great empires of the Douluo Continent had suffered few casualties, and those losses had been their own fault in the first place. Originally, mobilizing their armies to march on the Far North would have been utterly impossible. Yet a shared interest had driven all three empires to agree to cooperate with the Sun Moon Empire and head to the Far North to rescue the captives.
That interest was seizing the Far North's soul beast resources.
After the beast tide incident at Shrek Academy, the soul beasts of the Star Dou Great Forest had been all but wiped