Accel World, Vol. 28 (light novel)

In the first round of Brain Burst 2039, Silver Crow was just barely able to repel the invasion led by Eurochion and took the victory. Meanwhile, Metatron and the other seven high-ranking beings hold fast against their invaders. And elsewhere, a certain someone has a fated encounter with an ethereal entity. Crow’s next battleground is the castle of Nyx, the Goddess of Night!