[quote=Agent B52]
For dice systems: The 'fail forward' system. Should for whatever reason the players critically fail at a task, do not make this a 'oh look how you suck' moment. When a master acrobat character rolls a one to jump on a table do not make him/her look like an incompetent fool and cause him/her to misstep like a child. Rather let him/her fail due to the environment: The table's leg snaps because it's rotten, or one of the baddies gives the table a shove at the critical moment causing the acrobat to lose his/her balance. Suddenly it isn't the player being an idiot it is the player simply being unlucky (reflecting the nature of a dice roll) or even better, the enemies being badass (makes it all the more satisfying to beat them).
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No sarcasm, I found this really helpful. I am building a RP we had in the old RPG and am working on integrating a simple dice system to create a bit more risk. Never touched dice before. I hadn't thought of how a subtle change of this nature wasn't just good for writing, it was also a way to not demean our players. Thanks for preventing that future mistake.