The demons came on fiercely, but Demon Suppressing City had long since made ample preparations.
Now, aside from the houses granted when the Sub-Spark was upgraded, every other part of Demon Suppressing City was piled high with supplies.
Potions, scrolls, equipment, food, Magic Pattern Constructs... There was more than enough to meet the needs of one hundred thousand people fighting continuously for a week.
Moreover, as long as the defenders of Demon Suppressing City held out until the city upgraded to Tier Five, they would no longer need to worry about supplies or reinforcements.
With Huang Yu's wealth, he could completely support unlimited teleportation between Demon Suppressing City and Huanyu City.
With the God Suppressing Realm Seal in place, as long as the demons did not break through the Demon-Slaying Wall, they would remain invincible.
Or rather, as long as they survived this wave of the demons' siege, it would become even harder for the demons to attack Demon Suppressing City in the future.
However, Huang Yu was now facing an awkward problem.
He had completed the ultimate transformation of Sixth Tier Extraordinary not long ago, and was now only one step away from Seventh Tier Saint Domain.
The main forces in this demonic assault, aside from the one hundred Lava Giant Beasts, were all Tier Five and Tier Six demons.
The demons killed by his subordinates alone would grant him a tremendous amount of experience. If he personally joined the battle, he might be able to nearly fill the LV59-LV60 experience bar within half a day.
If he accidentally entered Seventh Tier Saint Domain, all the Extraordinary Great Demons in the core region would recover their Sixth Tier Extraordinary strength.
By then, Demon Suppressing City absolutely would not be able to withstand the assault of ten thousand Extraordinary Demons.