Check out this campaign for custom dice that add even more story to your critical rolls!
"Your critical hits will no longer be the same and will now add amazing effects and flavor to your game! Using them is extremely simple and satisfying: when you roll a critical hit on a d20, roll all six dice instead of simply doubling the damage. Check the results as they will combo together, producing a unique crit effect!"
Check out this campaign for custom dice that add even more story to your critical rolls!
"Your critical hits will no longer be the same and will now add amazing effects and flavor to your game! Using them is extremely simple and satisfying: when you roll a critical hit on a d20, roll all six dice instead of simply doubling the damage. Check the results as they will combo together, producing a unique crit effect!"
https://www.kickstarter.com/projects/36818957/critical-dice?ref=nav_search&result=project&term=critical dice