The Statue of Aeternum

After going through the endless hall of pillars, the Immortal found himself standing on a damaged bridge. The bridge led him further and deeper into the ancient alien ruins... After a while, his drones found a huge object in the middle of the cave. The Immortal looks up and sees the giant statue himself. The statue belongs to the alien named Aeternum, a warrior of his race and the one that Immortal met in person. Why is his statue in this place? And what lays under the tunnel that is protected by his statue? Let's see what Immortal will find deeper in these ruins...