"President Xu."
"President Xu."
Apart from Elder Windini, the other figure was Cassandra in human form.
Xu Yi glanced at Cassandra without asking why she was here too.
Given how close Akali and Cassandra were, it was hardly surprising that Akali had told her about this place.
Besides, this concerned the Abyssal Demon Race. The Dragon Race had an even longer history than the Elf Race, so their involvement might offer some extra help.
"Have you been waiting here long?" Xu Yi asked casually, turning to examine the wall in front of them.
A single glance told him that this wall was probably made of the same material as the pillar in the ruins they had discovered earlier.
However, when it was not stimulated, the pillar in the ruins looked much like an ordinary stone pillar, while the wall before him radiated a gentle yet bright light.
The light in the passage earlier must have come from here.
"We've been here a while, but we still haven't found a way in," Elder Windini replied.
"Actually, we found this place last month. We just haven't been able to get inside," Akali added.
"Really?" Xu Yi looked up and realized he was standing in an extremely spacious area. Only several dozen meters overhead could he faintly make out a layer of rock. The wall before him extended all the way up, forming a dome, with a considerable gap between it and the rock above.
It seemed that the mana shield surrounding this wall kept out not only seawater, but all other foreign matter as well.
Over more than ten thousand years, a thick layer of rock had completely covered the surrounding seabed, yet the area around this wall remained unchanged.
"If these are ruins of the Abyssal Demon Race, their technology really