
Originally Posted by
Ryllharu
I take it that the major disadvantage of the two-sword style that went unsaid is that you can't parry well, if at all. That's why he uses such heavy swords, whereas Asuna uses light swords to take advantage of her speed. Kirito lost more life in during that brief 50-hit combo than he did the rest of the time, or against any other opponent we've seen (where he's not 20+ levels over).
Would have been nice if they had verbalized it, but you could tell from his expression during the fight, and the fact that he was getting hit on his sides. Earlier he was pushing the boss' blade much further away from himself.