Synonyms: Matt Mercer Effect, Matthew Mercer Effect

Matthew Mercer is the Dungeon Master of the popular Dungeons & Dragons show "Critical Role".
The "mercer-effect" is what people call it when fans of the show get into D&D carrying the expectation that their sessions should be at least as good or similar to what they've seen in the show, not keeping in mind that the players seen on Critical Role have years of experience in both D&D and acting.
"I hosted a session with some 1st-timers the other night, they wouldn't stop talking about Critical Role and how we should try to play our game more like that."

"Yeah, that's the mercer-effect all right."
by Vseras April 14, 2019
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Synonym: Matt Mercer Effect

Matthew Mercer is the Dungeon Master of Critical Role, a Dungeons and Dragons game which started streaming on Twitch in 2015.

His Campaign, played alongside veteran voiceactors Laura Bailey, Travis Willigham, Sam Riegel, Marisha Ray, Taliesin Jaffee, Ashley Johnson and Liam O'Brian, has had a profund impact on the popularity of Dungeons and Dragons. Since it started broadcasting the sale of Dungeons and Dragons game manuals has incresead by double digits every year.

The "mercer-effect" describes Dungeons and Dragons sudden increase in popularity as a result of the show Critical Role.
"I had a session yesterday with a couple of 1-timers, they all said they started playing because of critical role"

"Yeah, thats the mercer-effect for you..."
by hangrycookiemonster November 13, 2019
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the phenomena in Dungeons and Dragons , where players and Dungeron Masters are never able to live up to the incredible kills of Matt Mercer , The DM GOD
Because of The Matt Mercer Effect , many people have quit playing Dungeons and Dragons because they unable to live up to the awesomeness of Matt Mercer
by BellasaurusTheJust June 28, 2021
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