Sword Art Online, Vol. 16 (light novel)

Fifty-thousand troops ledby Gabriel Miller, aka Emperor Vecta, the God of Darkness prepare to invade thehuman lands defended by Bercouli and his army of five thousand. Kirito, stillout of commission, is left in the care of Ronie and Tiese. Chancellor of thedark mages guild Dee Eye Ell also threatens to vanquish the army by launching alarge-scale magical attack of her own. And in the midst of chaos, the one whoappears to turn the tide of battle is none other than...Asuna?!