All of these past scenes flashed through Tang Wulin's mind, yet the subject of those memories, the woman who was filled with resolve and passion for soul technology research, was gone.

She couldn't fire the Eternal Heaven cannon again, so she had chosen to detonate herself as Eternal Heaven. At the expense of her own life, she had unleashed the most powerful weapon that human soul technology had to offer on the abyss.

In the end, she had become Eternal Heaven, allowing it to explode for a second time. In this critical juncture, a weapon like this was simply far too important for the human army.

Scorching radiance filled the entire abyssal passageway, and the light was so strong that it was impossible for the human army to see exactly what was happening in the explosion;...