Even the best published adventure can be improved by tailoring it to your players and their PCs. Lex discusses some issues with The Hidden Shrine of Tamoachan, and he details some of the changes he's made to the adventure to address these problems. Hopefully this example will help you put your own spin on the next published adventure you run, leading to an even more enjoyable experience for both you and your players.
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I discuss some issues I've found with The Hidden Shrine of Tamoachan and the changes I'm making to the adventure to address them.