ROM Handbook Archive
✦ Archived ROM Database

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Handbook
Archive

Preserving ROMHandbook's: Classic data before shutdown. Browse cards, monsters, formulas, skills, and hidden internal game data.

18,000+ archived entriesLast snapshot: May 2026
Internal Formula Archive

Formula Preview

Explore preserved ROM Handbook's internal formulas, dmg calculations, and hidden game mechanics.

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CommonFun.calcDamage_8001
function CommonFun.calcDamage_8001(srcUser, targetUser, params, damageParam, logger)
  local damChangePer = damageParam.damChangePer
  local damChangePer1 = damageParam.damChangePer1
  local MaxHp = targetUser:GetProperty("MaxHp")
  local A = MaxHp * damChangePer + damChangePer1
  if A <= 1 then
    return 1
  end
Historical Snapshot

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Preserved original HTML pages from the historical ROM Handbook website before shutdown. Experience the authentic archived interface.

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Baby Snake Card

Baby Snake Card

Preserved ROM Handbook HTML snapshot archive.

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Armor Card
Green

INT ＋2 ... and more...