Unlock the mystery of the air fortress level

[Skeith_209]

i beet mutation and then went to do the new thing that cc emailed me bout, who understand whats going on then, what fortress or city are they talking about?

[laysh]

Mirror World was the place Harold was in in .hack//sign and the 1st secret area was a old fleet that was in "The World" before the great battle. its just fun places to be thats all.