Redecorating D&D adventures

As I said yesterday, the rules system is not necessarily the part of a pen & paper roleplaying game that has the biggest impact on the game experience. With a given rules system and a given group of players, the Dungeon Master has two major levers with which he can play to make a great game: The way he runs the game, and the adventures he chooses, writes himself, or modifies. Today I'd like to talk about modification of existing adventures. How can you redecorate an adventure to make the ga

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