Never neglect the campaign notes. You never know what kind of important things they might be hiding that you can turn around and use to kill your enemies.
Aye. While it is entirely possible the GM intentionally wrote a bunch of non-essential facts to "flesh out the experience"... they also may be attempting to just bury the important stuff. Either way, if you use something from the notes, either the GM will be happy because
1) It was intended to be used or wasn't intended
2) It was not intended, but it is cool seeing such things used
3) They're pretending it is 1 or 2 because they really didn't mean for it to be used. XD
There's also a good chance that the GM considers certain aspects of the campaign setting obvious because, to them, it is, Just the nature of such things. The notes are part of the window you have into the GM's mind.
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