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<blockquote data-quote="Nagol" data-source="post: 7194913" data-attributes="member: 23935">5E is mostly pass/fail.&nbsp; I've seen house rules where amount over/under matters and even the base game has a few (critical hits, for example).Your post is the reason I decided to post the math.No it doesn't. In both cases, you roll up to 2 dice..&nbsp; With advantage, you get the best of the lot.&nbsp; With reroll, you only roll again when you need to and if you need to then are committed to keeping the second roll.&nbsp; This isn't a big deal if you already know your first roll is a failure; it is why the math gets trickier when the roller has to guess whether its worth rolling again if the outcome remains uncertain before the choice is made.So, with reroll if you succeed on the first roll, you're done, yay!&nbsp; If you don't succeed on the first roll, it's all down to the 2nd.&nbsp; If the 2nd roll is high enough to succeed then you pass. Yay!&nbsp; If, not, you fail.&nbsp; Boo!&nbsp; Now for the sake of argument imagine you rolled both the dice at the same time and are looking at them individually.&nbsp; If the first die you look at is high enough, you pass, yay! It doesn't matter what's n the second die: you're already guaranteed a pass.&nbsp; If it isn't high enough then it's all down to the second die.&nbsp; If the 2nd roll is high enough to succeed then you pass. Yay!&nbsp; If, not, you fail.&nbsp; Boo!&nbsp; That's the advantage system.With advantage you always roll 2 dice, but because you have the choice of result it's functionally the same as rolling one die, determining success, and choosing to roll a second if and only if you need a better number.</blockquote>

[QUOTE="Nagol, post: 7194913, member: 23935"] 5E is mostly pass/fail. I've seen house rules where amount over/under matters and even the base game has a few (critical hits, for example). Your post is the reason I decided to post the math. No it doesn't. In both cases, you roll up to 2 dice.. With advantage, you get the best of the lot. With reroll, you only roll again when you need to and if you need to then are committed to keeping the second roll. This isn't a big deal if you already know your first roll is a failure; it is why the math gets trickier when the roller has to guess whether its worth rolling again if the outcome remains uncertain before the choice is made. So, with reroll if you succeed on the first roll, you're done, yay! If you don't succeed on the first roll, it's all down to the 2nd. If the 2nd roll is high enough to succeed then you pass. Yay! If, not, you fail. Boo! Now for the sake of argument imagine you rolled both the dice at the same time and are looking at them individually. If the first die you look at is high enough, you pass, yay! It doesn't matter what's n the second die: you're already guaranteed a pass. If it isn't high enough then it's all down to the second die. If the 2nd roll is high enough to succeed then you pass. Yay! If, not, you fail. Boo! That's the advantage system. With advantage you always roll 2 dice, but because you have the choice of result it's functionally the same as rolling one die, determining success, and choosing to roll a second if and only if you need a better number. [/QUOTE]

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