Formula

function CommonFun.calcDamage_20(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 IgnoreDef = 0
  local IgnoreDef1 = srcUser:GetProperty("IgnoreDef")
  local IgnoreDef2 = srcUser:GetProperty("IgnoreEquipDef")
  if targetUser.boss or targetUser.mini then
    IgnoreDef = IgnoreDef1
  else
    IgnoreDef = IgnoreDef1 + IgnoreDef2
  end
  if 1 <= IgnoreDef then
    IgnoreDef = 1
  end
  local Refine = srcUser:GetProperty("Refine")
  local Def2 = targetUser:GetProperty("Def")
  local DefPer2 = targetUser:GetProperty("DefPer")
  local Vit2 = targetUser:GetProperty("Vit")
  local VitPer2 = targetUser:GetProperty("VitPer")
  local DamReduc2 = CommonFun.calcDamReDuc(srcUser, targetUser)
  local RefineDamReduc = targetUser:GetProperty("RefineDamReduc")
  local damChangePer = damageParam.damChangePer
  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 skillID, skillLevel = CommonFun.UnmergeSkillID(params.skillIDAndLevel)
  if skillID == 380_RUNE_KNIGHT:SONIC_CLAW or skillID == 383_RUNE_KNIGHT:SILVER_CHARGE or skillID == 384_RUNE_KNIGHT:TINDER_BREAKER then
    AtkPer = 0
  end
  local BaseAtk = Str * 2 + math.floor(Str * Str / 100) + math.floor(Dex / 5) + math.floor(Luk / 5)
  local AtkFinal = ((Atk - BaseAtk) * (1 + AtkPer) * CommonFun.ShapeCorrection(srcUser, targetUser) * bodyparam * elementparam * elementparam2 + BaseAtk) * raceparam * bossparam * bossparam2
  local DefReduc = CommonFun.CalcDef(srcUser, targetUser)
  local ShortRangeDamReduc2 = targetUser:GetProperty("ShortRangeDamReduc")
  local A = (AtkFinal * DefReduc * (1 - DamReduc2) + Refine) * damChangePer * (1 - RefineDamReduc) * (1 + DamIncrease - ShortRangeDamReduc2) - Vit2 * (1 + VitPer2)
  if A <= 1 then
    return 1
  end
  return A
end

Self

{
  "id": 136403,
  "BuffDesc": "Increase Pen.",
  "BuffIcon": "skillbuff_commonbuff",
  "BuffName": "Sword skills enhance Puncture",
  "BuffRate": {
    "Odds": 100
  },
  "IconType": 1,
  "BuffEffect": {
    "type": "AttrChange",
    "DamSpike": {
      "a": 2502,
      "b": 0.02,
      "c": 0.01,
      "type": 8
    },
    "limit_layer": 3
  }
}

Formula

{
  "CD": 1,
  "id": 25607001,
  "Buff": {
    "self": [
      136403
    ]
  },
  "Cost": 1,
  "Desc": [
    {
      "id": 2503000,
      "params": [
        1800
      ]
    }
  ],
  "Icon": "skill_2503001",
  "Camps": "Enemy",
  "Level": 1,
  "Logic": "SkillForwardRect",
  "Damage": [
    {
      "type": 20,
      "damChangePer": 18
    }
  ],
  "DescId": "##1262237",
  "NameZh": "##1258979",
  "DamTime": {
    "type": 1,
    "value": 2
  },
  "Fire_EP": 6,
  "PointAct": "reading2_Ninja",
  "Pvp_buff": {
    "self": [
      136403
    ]
  },
  "RollType": 1,
  "SkillHit": 1,
  "AttackAct": [
    "use_skill"
  ],
  "Attack_EP": 2,
  "SE_attack": "Skill/Skill_Hero_Thanatos_Attack_01",
  "SkillType": "Attack",
  "Target_EP": 3,
  "DamageType": 1,
  "Logic_Param": {
    "width": 4,
    "distance": 8,
    "to_break": 1,
    "range_num": 10,
    "passive_fire": 1,
    "forward_offset": 0,
    "hideClientDamage": 1,
    "force_service_damage": 1
  },
  "Launch_Range": 8
}