EDIT: silly me. found it now, but is the trading quest completable yet? still have pachi sword, would like to know how to reach end of quest
The Pachi Sword is given to someone on the mountain near the monetary.
EDIT: Ok, I have to found the key by clicking everywhere on the floor. But now that Iv'e found the artefact, spoke to the man and left the shipwreck... What must I do? Should I go to Necropolis or something like that? If so, where is it?
Now you want to keep searching the sewers. You'll eventually stumble across a cutscene where you'll end up in Pacifidlog. (Hint: Head down a waterfall)
On Mine i cant get into the museum. I have Beaten the Elite Four and all that stuff but the stairs to the museum have like plants on them and i cant get through. is there something i have to do to get in or do i have to get a new copy? also where is the blue rock? if i even need it
The Lilycove museum? Hm. If you've beaten the E4, you SHOULD be able to get in there. If you can't do the rest of the story (the museum isn't really required), you'll probably need a new copy. If you're talking about the Lilycove museum, all you're missing out on is
[SPOILERS]A unrelevant (but amusing cutscene), a legendary, and an epic fight with the manliest of heroes.[/SPOILERS]
But if you are able to progress with the plot, I would say just try a walk-through-walls cheat if you really want to get in.
And blue rocks are just for relearning moves. You can find a few of them lying around in random locations (not sure where exactly).