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Scapewatch drop odds
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Every drop rate in the game, with calculators. Yellow cells are inputs (most have a dropdown; you can type any value). Green cells are results.
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OddsAny 1-in-N drop: chance by now, attempts and hours for 50/90/99%, copies, curve.
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Mob dropsAll 819 mob rare drops (filterable): slay-task kills and hours to 50/90/99%, once-per-mob or every kill.
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Mob lookupPick a mob: each drop, any-drop odds and the chance of its full log.
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Item finderPick an item: every mob that drops it, best rate highlighted.
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FortressFortress rares by band and wave: per run, per hour, how deep is worth it, wave-by-wave table.
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ChaosChaos Dungeon specials, C7 tools and Chaos/God materials by wave.
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DungeonsFeeble → Ancient dungeon rares per run, including full-log odds.
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RelicsRelic families (protractor, sextant, chronometers…) and telescopes per task.
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Skilling raresAlmanacs, Thief's Gauntlets, God/Chaos raws, treasure scroll steps.
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PetsSkill pets, All Skills pet, lucky tools and lanterns, rolled on XP.
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ChestsTreasure chest loot rolls, tools, Extender/Reducer, unlocks and gear by tier.
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LuckLucky task chance and slay corruption chance calculators.
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SourcesFormulas with their file lines, and what cannot be known from the client.
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Key fact
Drops are memoryless: a 1/500 drop after 1,000 dry kills is still 1/500 on the next kill. "Going on rate" (N attempts) gives 63.2%.
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