slaguru666andClaude Opus 5
4cfacd47fe
I asked for this on a false premise of my own: I reported that adding a creature shifted a shared random stream and perturbed every other creature's recorded number. That is not true and the code never did it. measure() builds its own mulberry32 from the seed on every call, and check-lethality calls it once per creature, so a creature's numbers do not depend on its neighbours or its position. Measured rather than argued: inserting a creature ahead of the barghest changes 0 of 47 existing entries. The file's own claim — "the only thing that can move the number is a change to the rules or to the creature" — was accurate all along, and my last commit message says otherwise. It is wrong. The real cause, found by replaying each commit against the baseline as committed at4b71859:4b71859baseline recorded 0 of 46 differ322389bbestiary 0 of 46 differddc4f99hit locations reach combat 26 of 46 differ <-- herea90c4f3..e5dc9b526 of 46 differddc4f99routed every ordinary blow through the hit location table. That is the largest change the combat system has had and it moved 26 of 46 creatures, which is correct and expected. What is not correct is that nobody noticed for four commits: each creature moved by one or two points, the guard allowed six, and it reported OK while describing a game nobody was playing. So the tolerance goes. It exists for sampling noise and there is no sampling noise here — same party, same seed, same counts, and two recordings of unchanged code are byte-identical. Anything that moves is a real change, which is the entire point of the file. `rounds` is now compared too; it was recorded and then never read, so a creature could take a round longer to kill forever without a word. Because exactness only means something if the measurement is exact, the guard now proves it instead of assuming it: one creature measured twice must come back identical, and it says so plainly if a future change reaches for Math.random. Negative-tested. A 2% change to locationMaxHp now trips 8 creatures at +1.5 and +0.5 points of wipe rate — every one of which the old tolerance would have passed. Breaking determinism is caught and named. Also fixes update-readme, which advertised 8 guards while the build ran 9: check-anatomy was added without touching the list, which is precisely what the comment above that list already warned had happened once. The list is no longer trusted — it is checked against the `check` script in package.json, and refuses to write a README advertising a different set than the build runs. Co-Authored-By: Claude Opus 5 <noreply@anthropic.com>
240 lines
5.5 KiB
JSON
240 lines
5.5 KiB
JSON
{
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"id": "ringbrp",
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"title": "The Custodians",
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"description": "A Basic Roleplaying game of agents who cross the crossing to contain what should not be there — and who come back a little less from here each time.",
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"version": "1.7.5",
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"compatibility": {
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"minimum": 13,
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"verified": "14.364"
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},
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"authors": [
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{
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"name": "Tim Evans (slaguru666)"
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}
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],
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"esmodules": [
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"ringbrp.mjs"
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],
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"styles": [
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"styles/ringbrp.css"
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],
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"languages": [
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{
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"lang": "en",
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"name": "English",
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"path": "lang/en.json"
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}
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],
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"socket": false,
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"initiative": "@characteristics.dex.value",
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"grid": {
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"distance": 3,
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"units": "m"
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},
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"primaryTokenAttribute": "hp",
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"secondaryTokenAttribute": null,
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"packs": [
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{
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"name": "pregens",
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"label": "The Custodians · Agents",
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"path": "packs/pregens",
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"type": "Actor",
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"system": "ringbrp",
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"ownership": {
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"PLAYER": "OBSERVER",
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"ASSISTANT": "OWNER"
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}
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},
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{
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"name": "npcs",
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"label": "The Custodians · Natives & Threats",
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"path": "packs/npcs",
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"type": "Actor",
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"system": "ringbrp",
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"ownership": {
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"PLAYER": "NONE",
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"ASSISTANT": "OWNER"
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}
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},
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{
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"name": "skills",
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"label": "The Custodians · Skill List",
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"path": "packs/skills",
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"type": "Item",
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"system": "ringbrp"
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},
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{
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"name": "talents",
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"label": "The Custodians · Talents",
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"path": "packs/talents",
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"type": "Item",
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"system": "ringbrp",
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"ownership": {
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"PLAYER": "OBSERVER",
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"ASSISTANT": "OWNER"
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}
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},
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{
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"name": "powers",
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"label": "The Custodians · The Quiet Arts",
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"path": "packs/powers",
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"type": "Item",
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"system": "ringbrp",
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"ownership": {
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"PLAYER": "OBSERVER",
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"ASSISTANT": "OWNER"
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}
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},
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{
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"name": "weapons",
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"label": "The Custodians · Weapons",
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"path": "packs/weapons",
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"type": "Item",
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"system": "ringbrp"
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},
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{
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"name": "armour",
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"label": "The Custodians · Armour",
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"path": "packs/armour",
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"type": "Item",
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"system": "ringbrp"
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},
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{
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"name": "gear",
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"label": "The Custodians · Gear & Devices",
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"path": "packs/gear",
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"type": "Item",
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"system": "ringbrp"
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},
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{
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"name": "vehicles",
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"label": "The Custodians · Transport",
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"path": "packs/vehicles",
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"type": "Item",
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"system": "ringbrp"
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},
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{
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"name": "primer",
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"label": "The Custodians · Read this first (players)",
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"path": "packs/primer",
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"type": "JournalEntry",
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"system": "ringbrp"
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},
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{
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"name": "rules",
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"label": "The Custodians · Rules",
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"path": "packs/rules",
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"type": "JournalEntry",
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"system": "ringbrp"
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},
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{
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"name": "throughtrain",
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"label": "The Custodians · THROUGH TRAIN (crossing starter)",
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"path": "packs/throughtrain",
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"type": "Adventure",
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"system": "ringbrp"
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},
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{
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"name": "starter",
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"label": "The Custodians · BLACK PLATFORM (starter case)",
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"path": "packs/starter",
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"type": "Adventure",
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"system": "ringbrp"
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},
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{
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"name": "lastadmission",
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"label": "The Custodians · LAST ADMISSION (prologue)",
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"path": "packs/lastadmission",
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"type": "Adventure",
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"system": "ringbrp"
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},
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{
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"name": "prologue",
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"label": "The Custodians · OPEN DAY (prologue)",
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"path": "packs/prologue",
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"type": "Adventure",
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"system": "ringbrp"
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},
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{
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"name": "slice",
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"label": "The Custodians · The Ilfracombe Crossing",
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"path": "packs/slice",
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"type": "JournalEntry",
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"system": "ringbrp"
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},
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{
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"name": "tables",
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"label": "The Custodians · Site & Hazard Tables",
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"path": "packs/tables",
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"type": "RollTable",
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"system": "ringbrp"
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},
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{
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"name": "expedition",
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"label": "The Custodians · Case File: ILFRACOMBE",
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"path": "packs/expedition",
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"type": "Actor",
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"system": "ringbrp",
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"ownership": {
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"PLAYER": "OBSERVER",
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"ASSISTANT": "OWNER"
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}
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}
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],
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"packFolders": [
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{
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"name": "The Custodians",
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"sorting": "m",
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"color": "#18268d",
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"folders": [
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{
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"name": "Scenarios",
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"sorting": "m",
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"packs": [
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"throughtrain",
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"lastadmission",
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"prologue",
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"starter",
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"expedition",
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"slice"
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]
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},
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{
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"name": "Characters",
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"sorting": "m",
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"packs": [
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"pregens",
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"npcs"
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]
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},
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{
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"name": "Equipment",
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"sorting": "m",
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"packs": [
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"weapons",
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"armour",
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"gear",
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"vehicles"
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]
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},
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{
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"name": "Rules & reference",
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"sorting": "m",
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"packs": [
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"primer",
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"rules",
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"skills",
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"talents",
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"powers",
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"tables"
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]
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}
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]
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}
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],
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"url": "https://gitea.timevans.uk/slaguru666/RingBRP",
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"manifest": "https://gitea.timevans.uk/slaguru666/RingBRP/raw/branch/main/system.json",
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"download": "https://gitea.timevans.uk/slaguru666/RingBRP/archive/main.zip",
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"license": "LICENSE.txt"
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}
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