Quote Originally Posted by Keltest View Post
Yeah, just yeah. Don't lie to your players when youre speaking as the DM. D&D is a game, not a challenge to screw over people in the most effective manner. Let them be wrong if they came to it honestly, but don't lie to them. There aren't a lot of universal rules for DMing but "don't lie to your players" is one of them.
Many DMs like to come up with justifications for why they aren't lying to their players or cheating. Often some incorrectly applied version of rule 0 or (more recently) rulings not rules.