User blog comment:Zack Tan/Volume 7 Intermission/@comment-26135947-20150903151531/@comment-192.193.216.147-20150913222921

there is also a possibility that this happened the same day the game was discontinued. i mean the hero or the "players" that was in the new world was transferred the same day as Momonga it just happened that momonga was late to arrived 400 years later.