{
  "checkedAt": "2026-09-16",
  "scope": "English NA/EU product information; community opening observations are not manufacturer guarantees.",
  "sources": [
    {
      "url": "https://en.onepiece-cardgame.com/products/boosters/op01.php",
      "kind": "official",
      "finding": "Set rarities, alternate illustrations and a separately packaged box topper. No universal guaranteed hit odds published on this product page."
    },
    {
      "url": "https://en.onepiece-cardgame.com/products/boosters/op09/",
      "kind": "official",
      "finding": "Leader alternate art, super alternate art, SP and DON variants are distinct set-specific treatments."
    },
    {
      "url": "https://www.reddit.com/r/OnePieceTCG/comments/1jjt18f/how_do_you_know_if_you_got_a_good_hit/",
      "kind": "community observation",
      "finding": "Normal leaders occur third from the back; a leader in the last slot is an alternate art. This is the positional rule used by the simulator, not a claim that all red backs are alternate art."
    },
    {
      "url": "https://www.reddit.com/r/OnePieceTCG/comments/1dlga5v/my_friend_op07_box_have_only_4_sr_and_1_alt/",
      "kind": "community opening reports",
      "finding": "English OP07 examples report 7 regular SR with SEC/AA hits; both two-hit and three-hit reports. Does not establish universal set odds."
    },
    {
      "url": "https://klxcards.com/one-piece/booster-sets/carrying-on-his-will/booster-pack/",
      "kind": "catalogue",
      "finding": "English OP13 packs contain 12 cards and displays contain 24 packs; no published guaranteed chase odds."
    },
    {
      "url": "https://card-binder.com/blogs/one-piece-news-updates/one-piece-god-pack-guide-everything-you-need-to-know",
      "kind": "collector guide",
      "finding": "God Pack types depend on product and language: premium manga/DON packs and OP13 Five Elders are not a generic rule for all OP sets."
    },
    {
      "url": "https://www.reddit.com/r/OnePieceTCGFinance/comments/1oed35v/is_this_confirmation_were_getting_the_op13_god/",
      "kind": "community English opening report",
      "finding": "Reports five special red Elders, Imu alternate leader and six other alternate arts. Observational recipe, not a manufacturer collation specification."
    },
    {
      "url": "https://www.reddit.com/r/OnePieceTCG/comments/1voyt5t/op17_god_pack_confirmed/",
      "kind": "community report linking streamed English opening",
      "finding": "Six leader alternate arts plus six other alternate arts; no manga or SP reported."
    }
  ],
  "simulator": {
    "officialOdds": false,
    "normalPack": [
      "7 Common",
      "2 Uncommon",
      "1 Uncommon or standard Leader",
      "1 Rare",
      "1 Rare / Super Rare / premium hit"
    ],
    "normalLeaderPosition": 10,
    "lastLeaderMustBeAlternate": true,
    "boxSize": 24,
    "premiumHitCount": {
      "3": 0.65,
      "4": 0.35
    },
    "normalSRCount": {
      "7": 0.5,
      "8": 0.5
    },
    "premiumCategoryWeights": {
      "leaderAlternate": 0.24,
      "standardSecret": 0.3,
      "otherAlternate": 0.36,
      "specialOrTreasure": 0.08,
      "mangaSignatureOrSuperAlternate": 0.02
    },
    "missingCategoryHandling": "Only available categories are used; their weights are renormalized. All 17 present catalogs supply the normal pools.",
    "standardLeaderSlotChance": "1/3 per normal pack; replaces the third Uncommon.",
    "godPackChancePerPack": 0.0001,
    "godPackDefinition": {
      "OP13": "Five special red Elders + Imu leader AA + 6 other AA",
      "OP17": "6 standard leader AA + 6 other AA"
    },
    "godPackEffect": "Replaces a scheduled ordinary pack including its original rarity distribution. A God Pack therefore overrides the normal SR/hit totals for that display.",
    "singleBooster": "Random slot from a newly generated virtual 24-pack plan; same per-pack marginal chances as a fresh display.",
    "state": "All card choices are generated once per selected product and retained for the current page session. Switching formats resumes each active product; refresh resets.",
    "limitations": [
      "No DON or box toppers in the current verified image pool.",
      "No claim to reproduce every set-specific factory collation or sealed-case mapping.",
      "Only current catalog images can be drawn; simulation rates are intentionally boosted for entertainment."
    ],
    "godPackAvailability": "Only OP13 and OP17 currently supported by researched English recipes. Other sets disabled pending confirmation. Ordinary single/display packs only; no selectable God Pack mode.",
    "godPackOddsEvidence": "1:10000 is an entertainment setting, not a verified physical pull rate. Exact filler variant frequencies and order are not confirmed.",
    "godPackExclusiveCards": "OP13 special red Elder printings cannot appear in ordinary premium slots."
  }
}
