Instrument Attack
Lvl: 10 Attack Physical Skill Delay: 1 sec SP: 30 Range: 5 Cast Time: 1.5

Use your Music-type weapon to fire a barrage of arrows at an enemy, inflicting Dmg equivalent to Atk *600% on an enemy unit. This skill can be used while performing a Musical Skill, must have an Music-type weapon equipped

Lvl: 9 Attack Physical Skill Delay: 1 sec SP: 28 Range: 5 Cast Time: 1.5
• Use your Music-type weapon to fire a barrage of arrows at an enemy, inflicting Dmg equivalent to Atk *560% on an enemy unit. This skill can be used while performing a Musical Skill, must have an Music-type weapon equipped
Lvl: 8 Attack Physical Skill Delay: 1 sec SP: 26 Range: 5 Cast Time: 1.5
• Use your Music-type weapon to fire a barrage of arrows at an enemy, inflicting Dmg equivalent to Atk *520% on an enemy unit. This skill can be used while performing a Musical Skill, must have an Music-type weapon equipped
Lvl: 7 Attack Physical Skill Delay: 1 sec SP: 24 Range: 5 Cast Time: 1.5
• Use your Music-type weapon to fire a barrage of arrows at an enemy, inflicting Dmg equivalent to Atk *480% on an enemy unit. This skill can be used while performing a Musical Skill, must have an Music-type weapon equipped
Lvl: 6 Attack Physical Skill Delay: 1 sec SP: 22 Range: 5 Cast Time: 1.5
• Use your Music-type weapon to fire a barrage of arrows at an enemy, inflicting Dmg equivalent to Atk *440% on an enemy unit. This skill can be used while performing a Musical Skill, must have an Music-type weapon equipped
Lvl: 5 Attack Physical Skill Delay: 1 sec SP: 20 Range: 5 Cast Time: 1.5
• Use your Music-type weapon to fire a barrage of arrows at an enemy, inflicting Dmg equivalent to Atk *400% on an enemy unit. This skill can be used while performing a Musical Skill, must have an Music-type weapon equipped
Lvl: 4 Attack Physical Skill Delay: 1 sec SP: 18 Range: 5 Cast Time: 1.5
• Use your Music-type weapon to fire a barrage of arrows at an enemy, inflicting Dmg equivalent to Atk *360% on an enemy unit. This skill can be used while performing a Musical Skill, must have an Music-type weapon equipped
Lvl: 3 Attack Physical Skill Delay: 1 sec SP: 16 Range: 5 Cast Time: 1.5
• Use your Music-type weapon to fire a barrage of arrows at an enemy, inflicting Dmg equivalent to Atk *320% on an enemy unit. This skill can be used while performing a Musical Skill, must have an Music-type weapon equipped
Lvl: 2 Attack Physical Skill Delay: 1 sec SP: 14 Range: 5 Cast Time: 1.5
• Use your Music-type weapon to fire a barrage of arrows at an enemy, inflicting Dmg equivalent to Atk *280% on an enemy unit. This skill can be used while performing a Musical Skill, must have an Music-type weapon equipped
Lvl: 1 Attack Physical Skill Delay: 1 sec SP: 12 Range: 5 Cast Time: 1.5
• Use your Music-type weapon to fire a barrage of arrows at an enemy, inflicting Dmg equivalent to Atk *240% on an enemy unit. This skill can be used while performing a Musical Skill, must have an Music-type weapon equipped

Aesir

• Instrument Attack - Empower [Musical Instrument Attack] Dmg +8%
• Instrument Attack - Proficiency [Musical Instrument Attack] Sp cost -20% during performance

Formula

function CommonFun.calcDamage_11203(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 AttrEffect = targetUser:GetProperty("AttrEffect")
  local bits = CommonFun.getBits(AttrEffect)
  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 LongRangeDamReduc2 = targetUser:GetProperty("LongRangeDamReduc")
  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)
  local RuneDamage = 1
  local BaseLvDamage = 0
  if skillID == 1364_ASSASSIN_CROSS:ARROW_FLURRY or skillID == 1414_ASSASSIN_CROSS:INSTRUMENT_ATTACK then
    local Num1 = srcUser:GetRunePoint(102015_AESIR_MUSICAL_INSTRUMENT_ATTACK_DMG_8)
    local Num2 = srcUser:GetRunePoint(112007_AESIR_SLINGING_ARROW_DMG_8)
    RuneDamage = 1 + (Num1 + Num2) * 0.08
    local IBaseLv = srcUser.BaseLv
    if srcUser:HasBuffID(42140_RESONATOR_:MAX_STACK_0) then
      BaseLvDamage = IBaseLv * 15
    end
    if srcUser:HasBuffID(42150_THORNED_ROSE_:MAX_STACK_0) then
      BaseLvDamage = IBaseLv * 15
    end
  end
  local AtkSp = 0
  local GemDam = 1
  if skillID == 1373_ASSASSIN_CROSS:ARROW_VULCAN or skillID == 1423_ASSASSIN_CROSS:ARROW_VULCAN then
    local Num3 = srcUser:GetRunePoint(102026_AESIR_ARROW_VULCAN_DMG_6)
    local Num4 = srcUser:GetRunePoint(102027_AESIR_ATK_1_FOR_EVERY_10_SP_REMAINING_WHEN_THE_DAMAGE_OF_ARROW_VULCAN_IS_BEING_CALCULATED)
    local Sp = srcUser:GetProperty("Sp")
    RuneDamage = 1 + Num3 * 0.06
    AtkSp = math.floor(Sp / 10) * Num4
    local GemValue1 = srcUser:GetGemValue(102061_ARCANE_ARROW_VULCAN_DMG_PERCENTAGE)
    local GemValue2 = srcUser:GetGemValue(112061_ARCANE_ARROW_VULCAN_DMG_PERCENTAGE)
    GemDam = 1 + GemValue1 / 100000 + GemValue2 / 100000
  end
  local BaseAtk = Dex * 2 + math.floor(Dex * Dex / 100) + math.floor(Str / 5) + math.floor(Luk / 5)
  local AtkFinal = ((Atk - BaseAtk + AtkSp) * (1 + AtkPer) * CommonFun.ShapeCorrection(srcUser, targetUser) * bodyparam * elementparam * elementparam2 + BaseAtk) * raceparam * bossparam * bossparam2
  local DefReduc = CommonFun.CalcDef(srcUser, targetUser)
  local A = ((AtkFinal * DefReduc * (1 - DamReduc2) + Refine) * damChangePer * (1 - RefineDamReduc) * (1 + DamIncrease - LongRangeDamReduc2) - Vit2 * (1 + VitPer2)) * RuneDamage * GemDam + BaseLvDamage
  if A <= 1 then
    return 1
  end
  return A
end

Formula

{
  "id": 1414010,
  "Cost": 1,
  "Desc": [
    {
      "id": 1414000,
      "params": [
        600
      ]
    }
  ],
  "Icon": "skill_1414001",
  "Camps": "Enemy",
  "Level": 10,
  "Logic": "SkillLockedTarget",
  "Damage": [
    {
      "type": 11203,
      "damChangePer": 6
    }
  ],
  "DescId": "##170616",
  "NameZh": "##169910",
  "SE_hit": "Skill/skill_weapon_notesrike_hit",
  "CastAct": "reading",
  "DamTime": {
    "type": 1,
    "value": 1
  },
  "DelayCD": 1,
  "Fire_EP": 3,
  "SE_cast": "Common/Magic_cast",
  "RollType": 1,
  "AttackAct": [
    "use_skill"
  ],
  "Attack_EP": 4,
  "Lead_Type": {
    "CCT": 0,
    "FCT": 1.5,
    "type": 2
  },
  "SE_attack": "Skill/Skill/skill_weapon_notesrike_hit",
  "SkillCost": {
    "sp": 30
  },
  "SkillType": "Attack",
  "Target_EP": 3,
  "DamageType": 1,
  "Launch_Range": 5,
  "PreCondition": [
    {
      "type": 2,
      "itemtype": 260
    }
  ],
  "StrengthenCost": [
    {
      "num": 1,
      "type": 1
    }
  ]
}