One Piece Heroines Edition Booster Box EV Calculator

Best Evidence — Japanese collation proxy

Evidence

This calculator is based on Best Evidence — Japanese collation proxy reviewed September 4, 2026.

Sources

• One Piece Heroines Edition [EB-03] official English product page - Bandai Co., Ltd. (accessed 2026-09-03)
• TCGCSV category 68 group 24545, sealed product 666891 - TCGCSV (accessed 2026-09-03) — identity and pricing were imported into local generated artifacts; the calculator does not call the raw endpoint.
• Best Evidence — Japanese collation proxy and ordinary-pool classification - The Expected Value (accessed 2026-09-04)
• English EB03 ordinary, DON!! and Special checklist - Bandai Co., Ltd. (accessed 2026-09-04)
• Japanese EB03 six-card wrapper and roster categories - Bandai Co., Ltd. (accessed 2026-09-04)
• First-hand Japanese EB03 one-box partial opening, not a complete rarity ledger - Obake via Uribimog (accessed 2026-09-04)
• Heroines Dash Pack conditional in-store purchase promotion, not box contents - Bandai Co., Ltd. (accessed 2026-09-04)
• English ordinary Boa Hancock DON!! seller lists Foil; not an insert-rate source - ants7010 via eBay (accessed 2026-09-04)

Limitations

• collation.cardsPerPack and collation.packsPerProduct: the product uses 12 cards per pack and 24 packs per English booster box; those physical wrapper counts do not establish rarity-slot probabilities.
• collation.caseStructure: box-level hit counts and display/case correlations are unresolved for the exact English North America printing.
• evidence.sample: null because no reviewed observation provides a complete, attributable sample with exact unit, size, method, North America printing, and observation interval.
• Modeling policy approved 2026-09-04: every supported ordinary card in the same slot, rarity, treatment, and finish pool receives one equal positive selection weight. This is a transparent modeling assumption where the publisher or empirical sample gives pool odds but not card-level sheet weights.
• EB03 assumption-only Japanese collation proxy: exact English wrapper and card-price identities are retained, but no complete EB03 English or Japanese rarity ledger was established. Expected box marginals of 238 Common, 39 Rare, 4 Leader, 4 Super Rare, 1 regular Secret Rare and 2 ordinary DON!! total 288 physical positions. Rarity marginals, regular Secret Rare conditioning, two expected DON!! and their replacement of Common positions are explicit assumptions, not measured EB03 odds or factory guarantees. No other set's observations are used as EB03 evidence.
• The exact English ordinary game-card roster is EB03-001 through EB03-062: 29 Common, 21 Rare, 1 Leader, 9 Super Rare and 2 Secret Rare. C and Leader use Normal; R, SR and SEC use Foil. The 71+4 headline includes nine Special treatments and four DON!! designs, not seventy-one ordinary game cards. Every retained exact English SKU requires positive TCGplayer Low; missing ordinary prices fail classification instead of shrinking the pool. Regular Uta 672815 and Trafalgar Law 672818 remain in the SEC pool. No Japanese card prices or original-set promotion substitutes enter this English model.
• Ordinary DON!! designs 677560, 677566, 677568 and 677570 have both positive-priced English Normal and Foil catalog SKUs. Publisher Normal Version labels distinguish ordinary art from Gold, not nonfoil from foil. Marketplace finish mapping and relative booster frequency remain ambiguous, so both ordinary finishes are retained under an explicit 50/50 finish-mix assumption, with equal four-design weights inside ONE shared DON!! mass. No source establishes the finish allocation. There are eight price SKUs but only two expected DON!! draws per box, never four or eight extra cards. Gold DON!! 677559, 677567, 677569 and 677571 are removed before drawing. Normal-only and Foil-only price sensitivity must not be mistaken for separately verified recipes.
• The reviewed first-hand Japanese EB03 one-box article displays Rare, SR and SEC groups, but no complete Common/Leader/DON!! inventory, pack sequence, exact printing wave or opening interval. Its separate approximate hit-rate table gives no attributable complete underlying sample and is not adopted as a rate ledger. The Japanese six-card wrapper and the publisher's rarity checklist likewise do not establish English slot odds. evidence.sample remains null; no box/case guarantee, god-pack frequency or case-seeding pattern is inferred.
• Each synthetic twelve-card pack draws ten Common-or-DON!! positions at 119/120 Common and 1/120 DON!!, one assumed guaranteed Rare, and one upgrade at 15/24 Rare, 4/24 Leader, 4/24 Super Rare and 1/24 regular Secret Rare. Slot placement and all rarity probabilities are assumptions. Independent draws preserve expected marginals, not guaranteed box counts, no-duplicate rules or display/case correlations. Remove unsupported premiums and normalize retained same-slot outcomes before drawing all 288 cards; apply Sift and user filters only afterwards without backfill. Embedded pack EV is box EV divided by 24, including the same total DON!! mass.
• Exact Dash Pack cards 675745-675748 are external purchase-campaign cards, including Vivi, Koala and Perona whose titles omit Dash Pack. Bandai makes the one-card reward conditional on an in-store booster-box purchase while supplies last and excludes online purchases; it is not inside sealed box 666891. Their reprinted EB02/OP05/OP09/ST18 numbers must not expand ordinary EB03 pools. No separate fixed purchase, release-event or tournament bonus is added. All 28 unsupported game-card premiums, including Manga and nine SP variants, stay absent before drawing. EB03 has no separate collector product, so this documented no-chase baseline applies to the booster box; excluded cards never occupy zero-EV positions.
• No-chase redraw policy approved 2026-09-04: Curio, Enchanted, alternate-art, parallel, showcase, serialized, signature, premium-rarity, promotional, and any other card or treatment without a supported pull rate are excluded. A chase hit is redrawn from the applicable supported ordinary pool, so excluded cards occupy no modeled outcome.
• Simulation ordering is draw the complete disclosed no-chase product first, record that draw, and only then apply Sift or another user filter. Sift never changes or backfills the completed modeled draw.