IronAxe
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What you're talking about, dear Iron, doesn't work in the 3.2 version of Breath of Death, and therefore it can't be used.
Using navigation bonuses implies getting into a boat and getting out of it to increase the MP reserve (in my opinion, this is no longer available in SoD 3.2). If a player uses a boat to move between islands (or sections of the same island that are closer by water than by land), this is not considered exploiting a bug.
In any case, if there is any (justified) reason to use a boat, then it is not prohibited.
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Kamikaze, you should have made this speech when the explanation about movement point bonuses was given. If it doesn't work in 3.2, then in this case it would have made sense to play on an unpatched version, since the use of bonuses was allowed if there was a justified reason (some people, as we can see, had one). On the other hand, the organizers have the right to set their own rules for their tournament, even if they don't quite fit the standards. And it is possible that this was only allowed by them for this tournament, and subsequently they may prohibit it.