Inside the instance, the Battle Souls continued their attacks.
According to what the system had said earlier, each wave would last twelve hours.
After that, there would be twelve hours of rest.
"The inner wall's defenses are holding up fine. The ground spikes in the open area are working well."
By the ninth hour of the attack, the inner wall remained completely intact.
The inner wall was made from wood soaked in Dragon's Blood and could repair itself. The Battle Souls' attacks could not inflict any effective damage on it.
"It's over."
Finally, after twelve hours, no more Ancient War Souls awakened.
"The inner wall's defenses are fine. The outer wall needs improvement, but it's not a major problem."
Lin Yuan reached his conclusion:
"The next attack will come in twelve hours. Its strength probably won't increase too much, so our current defenses seem sufficient."
"I'll continue clearing the Fog Zone later. I'll leave the base to you."
"If any special attack waves come, I'll return ahead of time."
Hearing Lin Yuan's words, Rose and the other three all nodded.
"No problem. Leave the base to us!"
Having experienced the first wave, they were now mentally prepared for the instance's difficulty and felt much more confident.
Of course, the subsequent attacks would certainly grow stronger with each wave.
After all, the system's earlier information had mentioned something about a battlefield bonus, which would clearly appear later.
But Lin Yuan would also receive that notification, and he would return ahead of time when the time came.
Even so, they still needed to make the usual preparations.
Lin Yuan took a conch out of his backpack and handed it to Rose.
"I have a Sound-Transmitting Conch here, though I don't know whether it'll work properly in the Fog Zone. In