I'm sorry, never again.
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So I try another new patched rom from ch.0, this time there's no bug, I should play a second time.
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there was already one save with ch.0 and ch.1 when I played my first patched rom, I didn't delete this save, and loaded ch.0. Now I think that action make some bug. for example, with that save playing on, when Val is dead, the game will not be over ...
ghast edit... don't double/triple post. just edit your original post