Sword Art Online 25 (light novel)

Kirito's chance encounter with Eolyne, a man with the same eyes and voiceas his
deceased friend, shakes him to the core. But with the possibility ofan interworld war
breaking out in the Underworld growing higher by the day,Kirito has no time to be
sentimental. Meanwhile, the decisive battle againstMutasina of the Virtual Research
Society looms, and she's used her powers toforce a battalion of one hundred mages
under her command. Can Kirito andcompany devise a strategy to defy their
overwhelming disadvantage in time, orwill it all be for naught?