you have to do some missions and then the pelipper will send you a note saying buried relic found then talk to shiftry he will give you access to the buried relic. PS the buried relic is 99 floors down so bring a lot of reviver seeds!
your welcome
Beat Stormy Sea
You Can't
Beat Palkia
to evolve you have to get palkia and unlock marine resort
i believe you have to befriend with lugia
wonder mail
Buy friend areas. The last dungeon is the deoxys one
Go to a walk through page!
Not in Pokemon blue mystery dungeon but there are them in Pokemon exploreres of darknes and exploreres of time.
Boner
solve missions and you will get further and unlock new dungeons i know i completed it
wonder mail or on the job bulletin board