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How far away can a person make perception checks?
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<blockquote data-quote="Quickleaf" data-source="post: 7826282" data-attributes="member: 20323"><p>In your ideal circumstance it's about 3 miles for very big things (structures and gargantuan creatures).</p><p></p><p>For finer details, like identifying a humanoid by species/race, well, it's ball of "it depends."</p><p></p><p>I do recall one night when I was bleary-eyed prepping a session with the PCs at an aarakocra cliffside monastery (some 500-feet elevation) serving as evening lookouts against gargoyles that I ended up on some webpage related to naval sighting distances. There was an equation that had to do with how high off the ground you were, time of day, lumens of the light source (if any) you were looking at, and all these factors, though I never wrote down the website.</p><p></p><p>I ended up going with a night visibility of 300 feet, or 600 feet for creatures with 60’ darkvision (though only in black and white). While I ruled that the PC with an obscenely high Perception and Eldritch Sight could see out to 1,200 ft. What this meant was that from the moment the high perception PC spotted the gargoyles, the party had 10 rounds (1 minute) before the gargoyles were in melee. Thus informed, I counted down, ok they're at 1,000 feet now...anyone doing anything? OK, now they're at 800 feet, anyone? And now, at 600 feet? And so on. It worked well as a tension building mechanic.</p></blockquote><p></p>
[QUOTE="Quickleaf, post: 7826282, member: 20323"] In your ideal circumstance it's about 3 miles for very big things (structures and gargantuan creatures). For finer details, like identifying a humanoid by species/race, well, it's ball of "it depends." I do recall one night when I was bleary-eyed prepping a session with the PCs at an aarakocra cliffside monastery (some 500-feet elevation) serving as evening lookouts against gargoyles that I ended up on some webpage related to naval sighting distances. There was an equation that had to do with how high off the ground you were, time of day, lumens of the light source (if any) you were looking at, and all these factors, though I never wrote down the website. I ended up going with a night visibility of 300 feet, or 600 feet for creatures with 60’ darkvision (though only in black and white). While I ruled that the PC with an obscenely high Perception and Eldritch Sight could see out to 1,200 ft. What this meant was that from the moment the high perception PC spotted the gargoyles, the party had 10 rounds (1 minute) before the gargoyles were in melee. Thus informed, I counted down, ok they're at 1,000 feet now...anyone doing anything? OK, now they're at 800 feet, anyone? And now, at 600 feet? And so on. It worked well as a tension building mechanic. [/QUOTE]
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How far away can a person make perception checks?
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