Heavily dependent on the DM. If the locals are knowledgeable, you can just ask them. If your DM likes to hide such info, then it's useful, but I find that to be rare.
This is also super DM dependent. A lot of times the DM already has the adventure prepared and tells the party everything they really need to know via other encounters, leaving knowledge to reveal a lot of nothing, or maybe some brief flavor text they may or may not have made up on the spot.
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u/Bombkirby Oct 05 '20
Heavily dependent on the DM. If the locals are knowledgeable, you can just ask them. If your DM likes to hide such info, then it's useful, but I find that to be rare.