Volume 25, December 10th:
https://swordartonline.fandom.com/wi...ovel_Volume_25
The curtains finally rise on the fated battle against Mutasina from the 《Virtual Research Society》 ――
The chance encounter with Eolyne, the masked man with the same eyes and voice as his late friend, has left Kirito in a state of deep shock. Yet the boy does not have the luxury of drowning in sentimentality as compounding incidents transpire in two virtual worlds concurrently.
"Perhaps this could be the onset of a new otherworlder war"
An omen of another upcoming unrest befalls 《Underworld》 after 200 years.
Meanwhile, the fated battle against Mutasina from the 《Virtual Research Society》 draws near in 《Unital Ring》. Under her lead is a battalion of a hundred players, bound under her rule by the horrifying 《Choker of the Damned》 suffocation spell. On the opposing side, Kirito and co plan their next moves in order to turn the tables on the overwhelmingly unfavourable situation, but――
Theory:
https://www.reddit.com/r/swordartonl..._theories_and/