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<blockquote data-quote="FormerlyHemlock" data-source="post: 6871038" data-attributes="member: 6787650">Depends how you measure &quot;most helpful&quot;. For example, if you fail your saves only on a 1 (95% success), advantage cuts your failure rate by 95%. If you fail 50% of the time, it cuts your failure rate by only 50%. This is good for e.g. concentration. On the other hand, if you succeed only on a twenty, advantage doubles your success rate, which can e.g. halve the duration of enemy spells on you.I'd argue that it's actually fallacious to interpret advantage/disadvantage as a linear bonus on a d20. Advantage isn't &quot;equivalent&quot; to +4 on your roll, nor is disadvantage equivalent to -4. Both of them are actually ways of transforming the probability distribution into something roughly bell-curved.In 5E fights, it's usually more advantageous to impose disadvantage on an enemy than it is to gain advantage yourself. In fact, there are even cases (e.g. archery duels) where it can be a smart move to impose disadvantage on both parties, especially if you are higher on the bell curve than the enemy is or if you have extra rate-limited resources (monk missile catch 1/round). A barbarian can reduce the damage he takes in combat by up to about 50% via advantage from Reckless Attack; but a monk can reduce the damage he takes in an archery duel by far more than 50% by dropping prone.</blockquote>

[QUOTE="FormerlyHemlock, post: 6871038, member: 6787650"] Depends how you measure "most helpful". For example, if you fail your saves only on a 1 (95% success), advantage cuts your failure rate by 95%. If you fail 50% of the time, it cuts your failure rate by only 50%. This is good for e.g. concentration. On the other hand, if you succeed only on a twenty, advantage doubles your success rate, which can e.g. halve the duration of enemy spells on you. I'd argue that it's actually fallacious to interpret advantage/disadvantage as a linear bonus on a d20. Advantage [I]isn't[/I] "equivalent" to +4 on your roll, nor is disadvantage equivalent to -4. Both of them are actually ways of transforming the probability distribution into something roughly bell-curved. In 5E fights, it's usually more advantageous to impose disadvantage on an enemy than it is to gain advantage yourself. In fact, there are even cases (e.g. archery duels) where it can be a smart move to impose disadvantage on [I]both[/I] parties, especially if you are higher on the bell curve than the enemy is or if you have extra rate-limited resources (monk missile catch 1/round). A barbarian can reduce the damage he takes in combat by up to about 50% via advantage from Reckless Attack; but a monk can reduce the damage he takes in an archery duel by far more than 50% by dropping prone. [/QUOTE]

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