all level 6 boss cards [optional]

[OPTIONAL]
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Inside  Galbadia  Garden, head to  the main hall. From  here, go right. In this
hallway,  go through  the door on the  right, and you'll be in a classroom with
three people. The girl can play ALL Level 6 Boss Cards, so you'll probably want
to play a lot with her.

You  can also change  the card rules for the Trabia region, which will save you
the  trouble later on.  From the classroom with the girl that plays all Level 6
Boss Cards, go out to the hall, (SAVE first at the main hall) then enter through
the  other door  on the left. Walk to  the left (you can't enter the ice hockey
field  now), and  you'll get  to the  locker room.  Here, challenge  the Trabia
exchange  student to a game of cards. He'll ask to mix rules: Agree, then quit.
The  first time you're  likely to spread Open to the Trabia rules. (Rarely will
you either abolish Random or Plus the first time). Good.

Now  go to the girl that plays Lvl 6 cards and she'll keep asking to mix rules.
DECLINE  the offer all  the time, until she stops asking after a while. Save at
the  main hall now. Head back to the Trabia Student and he'll ask to mix again,
since  you  just 'got' yourself the  Galbadian rules. Agree, then quit. You are
aiming to abolish Random first (although abolishing Plus is also good). If Open
abolishes,  reset,  and the same  thing goes for  if Same spreads. Only abolish
Random or Plus. Save your game if you pull it off.

Now  repeat the progress for the final rule to abolish. Talk to the Lvl 6 cards
girl  again, decline the mix until she doesn't bother any more, save, head back
to  the  trabia student, and keep  resetting until you finally abolish the last
rule. Be very happy when you pull this off, it saves you trouble later on.
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[END OF OPTIONAL]