Board Thread:New on Sword Art Online Wiki/@comment-115.133.52.60-20170221224427/@comment-2601:204:C000:4E6C:51F2:8A5F:F4BB:DF83-20171008074210

Can someone tell me why the boss they fought on floor 100 in the movie was a random npc instead of kayaba akihiko like it was supposed to be. In the anime he said he was the final boss of the game that they would have fought on the last floor.