Seven months after the declaration of the seven apostles of the black river, 70% of the undergod territory's land had been cleared of sky palace influence thoroughly.
This of course was a massive feat that could only be accomplished by overwhelming force and numbers. They had the warlocks to thank for that, their hatred of the mages of sky palace was their main drive.
And of course gold.
But with the conquest and gradual push back from the undergod territory's alliance . Sky palace was able to retreat and concentrate its main forces in key regions facing their boarders.
This meant that even though it took just 7 months to clear more than half the territory, it would take much longer to sieze even an inch the deeper they went.
This was the true phase of the war