Formula

function CommonFun.calcDamage_1302(srcUser, targetUser, params, damageParam, logger)
  local Str = srcUser:GetProperty("Str")
  local Dex = srcUser:GetProperty("Dex")
  local Luk = srcUser:GetProperty("Luk")
  local Atk = srcUser:GetProperty("Atk")
  local AtkPer = srcUser:GetProperty("AtkPer")
  local DamIncrease = srcUser:GetProperty("DamIncrease")
  local WeaponType = srcUser:GetEquipedWeaponType()
  local BaseLv = srcUser.BaseLv
  local Refine = srcUser:GetProperty("Refine")
  local damChangePer = damageParam.damChangePer
  local DamReduc2 = CommonFun.calcDamReDuc(srcUser, targetUser)
  local RefineDamReduc = targetUser:GetProperty("RefineDamReduc")
  local raceparam = CommonFun.CalcRaceParam(srcUser, targetUser, params, damageParam, logger)
  local bodyparam = CommonFun.CalcBodyParam(srcUser, targetUser, params, damageParam, logger)
  local elementparam = CommonFun.CalcElementParam(srcUser, targetUser, params, damageParam, logger)
  local bossparam = CommonFun.CalcBossParam(srcUser, targetUser, params, damageParam, logger)
  local raceparam2 = CommonFun.CalcRaceParam2(srcUser, targetUser, params, damageParam, logger)
  local bodyparam2 = CommonFun.CalcBodyParam2(srcUser, targetUser, params, damageParam, logger)
  local elementparam2 = CommonFun.CalcElementParam2(srcUser, targetUser, params, damageParam, logger)
  local bossparam2 = CommonFun.CalcBossParam2(srcUser, targetUser, params, damageParam, logger)
  local BaseAtk = Str * 2 + math.floor(Str * Str / 100) + math.floor(Dex / 5) + math.floor(Luk / 5)
  local AtkFinal = (Atk - BaseAtk) * (1 + AtkPer)
  local sizeCorrection = 1
  if nil ~= CommonFun.Shape then
    if CommonFun.Shape.S == targetUser.shape then
      sizeCorrection = 1.3
    elseif CommonFun.Shape.M == targetUser.shape then
      sizeCorrection = 1
    elseif CommonFun.Shape.L == targetUser.shape then
      sizeCorrection = 0.8
    end
  end
  local WeaponType_value = 0
  if WeaponType == 170 then
    WeaponType_value = 2
  else
    WeaponType_value = 0.5
  end
  local ShortRangeDamReduc2 = targetUser:GetProperty("ShortRangeDamReduc")
  local A = (((Str / 4) ^ 2 + WeaponType_value * AtkFinal * elementparam * bodyparam) * damChangePer + Refine * 15 + BaseLv * 5) * raceparam * bossparam * (1 - RefineDamReduc) * (1 + DamIncrease - ShortRangeDamReduc2) * (1 - DamReduc2) * sizeCorrection * elementparam2 * bossparam2
  if A <= 1 then
    return 1
  end
  return A
end

Enemy

{
  "id": 80140,
  "BuffName": "Spiral Pierce[Stunning]",
  "BuffRate": {
    "Odds": {
      "a": 0,
      "b": 100,
      "type": 130
    }
  },
  "BuffType": {
    "isgain": 0,
    "isdisperse": 1
  },
  "BuffEffect": {
    "type": "StatusChange",
    "NoAct": 1,
    "AttrEffect": [
      3,
      4
    ],
    "StateEffect": "4_Dizzy"
  },
  "BuffStateID": 80010
}

Formula

{
  "CD": 4,
  "id": 70048001,
  "Buff": {
    "enemy": [
      80140
    ]
  },
  "Cost": 1,
  "Desc": [
    {
      "id": 28000,
      "params": [
        40,
        2
      ]
    }
  ],
  "Icon": "skill_28001",
  "Camps": "Enemy",
  "Level": 1,
  "Logic": "SkillLockedTarget",
  "Damage": [
    {
      "type": 1302,
      "damChangePer": 0.4
    }
  ],
  "DescId": "##170753",
  "NameZh": "##159303",
  "SE_hit": "Skill/Spear_hit",
  "CastAct": "skill_ready",
  "DamTime": {
    "type": 1,
    "value": 4
  },
  "Fire_EP": 3,
  "SE_cast": "Common/Magic_cast",
  "Pvp_buff": {
    "enemy": [
      80140
    ]
  },
  "RollType": 1,
  "SkillHit": 0.5,
  "AttackAct": [
    "use_skill"
  ],
  "Attack_EP": 5,
  "Lead_Type": {
    "type": 1,
    "ReadyTime": 0.5
  },
  "SE_attack": "Skill/Spear_attack",
  "SkillType": "Attack",
  "Target_EP": 3,
  "Launch_Range": 2
}