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Explain Bounded Accuracy to Me (As if I Was Five)
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<blockquote data-quote="NotAYakk" data-source="post: 9284293" data-attributes="member: 72555"><p>Bounded accuracy means there is a reasonable chance to hit or miss a foe, even if they are extremely weak or strong. It means that the d20 is a large component of if you hit or miss.</p><p></p><p>In comparison to 3e and 4e where to hit and AC modifiers went into the stratosphere, ranging from +5 to +45. With that range, the d20 added means any foe one has a chance of both hitting and missing, the other doesn't bother to roll.</p><p></p><p>Bounded accuracy goes back to old D&D where at level 1 you had low accuracy, and it climbed as you got to higher levels. Your effectiveness being a product of expected accuracy an damage per hit, it allowed characters to scale without their damage scaling as fast.</p><p></p><p>Ie, an expected 25% accuracy at level 1 climbed to an expected 75% by level 9 meant the exact same weapon damage did 3x the damage per attack.</p><p></p><p>Small accumulated increases in accuracy and defence have surprising impacts on effectiveness. An otherwise identical character with +5 to accuracy and defence is close to twice as powerful as one without: in 3e and 4e this effect can dominate the game. It is a large component of why a level 20 PC in 3e was considered 700x stronger than a level 1 PC, and in 4e a level 30 PC was 150x stronger than a level 1 PC. In 5e it is closer to 20x; a CR 1 creature is a medium difficulty fight for a party of 4 PCs in 5e, and 21 of them are medium for a party of L 20 PCs. 1 CR standard encounter in 3e is 1 for level 1 party and 725 for L20 party. In 4e a level 1 solo is equivalent XP wise to a level 9 normal monster, which is roughly XP equal to a level 20 minion, and 135 L20 minions makes a medium difficulty L30 fight for 4 PCs.</p><p></p><p>Bounded Accuracy - slower growth in to hit and defence, and keeping the range over every PC level smaller than the d20 - makes that somewhat plausible and keeps the power scaling down.</p><p></p><p>More of character power moves to the size of the impact, and not if the action missed or hit entirely.</p></blockquote><p></p>
[QUOTE="NotAYakk, post: 9284293, member: 72555"] Bounded accuracy means there is a reasonable chance to hit or miss a foe, even if they are extremely weak or strong. It means that the d20 is a large component of if you hit or miss. In comparison to 3e and 4e where to hit and AC modifiers went into the stratosphere, ranging from +5 to +45. With that range, the d20 added means any foe one has a chance of both hitting and missing, the other doesn't bother to roll. Bounded accuracy goes back to old D&D where at level 1 you had low accuracy, and it climbed as you got to higher levels. Your effectiveness being a product of expected accuracy an damage per hit, it allowed characters to scale without their damage scaling as fast. Ie, an expected 25% accuracy at level 1 climbed to an expected 75% by level 9 meant the exact same weapon damage did 3x the damage per attack. Small accumulated increases in accuracy and defence have surprising impacts on effectiveness. An otherwise identical character with +5 to accuracy and defence is close to twice as powerful as one without: in 3e and 4e this effect can dominate the game. It is a large component of why a level 20 PC in 3e was considered 700x stronger than a level 1 PC, and in 4e a level 30 PC was 150x stronger than a level 1 PC. In 5e it is closer to 20x; a CR 1 creature is a medium difficulty fight for a party of 4 PCs in 5e, and 21 of them are medium for a party of L 20 PCs. 1 CR standard encounter in 3e is 1 for level 1 party and 725 for L20 party. In 4e a level 1 solo is equivalent XP wise to a level 9 normal monster, which is roughly XP equal to a level 20 minion, and 135 L20 minions makes a medium difficulty L30 fight for 4 PCs. Bounded Accuracy - slower growth in to hit and defence, and keeping the range over every PC level smaller than the d20 - makes that somewhat plausible and keeps the power scaling down. More of character power moves to the size of the impact, and not if the action missed or hit entirely. [/QUOTE]
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