Sword Art Online, Vol. 17 (light novel)

The Priestess of Light,Alice. If we sacrifice all members of the army of darkness, she will be withinour grasp... It isthe second day of the final stress test. The army of darkness, driven todesperation by the coordinated onslaught at the hands of the Integrity Knights,has begun to retaliate with incredibly reckless tactics. Critter, who had beenobserving the events of the Underworld from the outside, has successfullycreated a gateway for the masses under the guise of an invitation for "Alimited-time beta test for a new VRMMO in production." This digital invite hasbolstered the forces of the army of darkness by over fifty thousandpeople. Asuna, unable to competewith such a level reinforcement, begins to sink into depair. But all is notlost! Two new deities of the Underworld will descend to lend their aid: TheBlazing White Solus and the Earthmother Terraria. And the ones in possession ofthese super-accounts are none other than Sinon and Leafa!