Formula

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
  return A
end

Enemy 20

function CommonFun.calcBuff_20(srcUser, targetUser, a, b, c, d, lv)
  if srcUser == nil or targetUser == nil then
    return 0
  end
  local Int = srcUser:GetProperty("Int")
  local Vit = srcUser:GetProperty("Vit")
  local MAtk = srcUser:GetProperty("MAtk")
  local MAtkPer1 = srcUser:GetProperty("MAtkPer")
  local Num1 = srcUser:GetRunePoint(22008_AESIR_M_ATK_BONUS_OF_ALIGHT_3)
  local Num2 = srcUser:GetRunePoint(22009)
  local RuneDamage = (Num1 + Num2) * 0.03
  local MAtkPer = MAtkPer1 + RuneDamage
  local MDamIncrease = CommonFun.calcMDamIncrease(srcUser, targetUser)
  local IgnoreMDef = srcUser:GetProperty("IgnoreMDef")
  local MRefine = srcUser:GetProperty("MRefine")
  local srcAtkElement = 4
  local targetDefElement = targetUser:GetProperty("DefAttr")
  local ElementRate = CommonFun.GetElementRate(srcUser, srcAtkElement, targetUser, targetDefElement)
  if (srcUser:HasBuffID(69650_8608_:MAX_STACK_0) or srcUser:HasBuffID(71090_10658_:MAX_STACK_0)) and 1 < ElementRate then
    ElementRate = ElementRate * 1.1
  end
  if targetUser:HasBuffID(49130_DIVINE_HYMN_CARVER_:MAX_STACK_0) then
    ElementRate = math.min(ElementRate, 1)
  end
  if srcUser:HasBuffID(49210_7892_:MAX_STACK_0) then
    ElementRate = ElementRate + 0.15
  end
  if srcUser:HasBuffID(77480_48193_VICTORY_SWALLOW_1_:MAX_STACK_0) then
    ElementRate = ElementRate + 0.1
  end
  local skilllv_fs = srcUser:GetLernedSkillLevel(88_SWORDSMAN:ALIGHT)
  local skilllv_xd = srcUser:GetLernedSkillLevel(1919_HUNTER:ALIGHT)
  local skilllv = math.max(skilllv_fs, skilllv_xd)
  local MDef2 = targetUser:GetProperty("MDef")
  local MDefPer2 = targetUser:GetProperty("MDefPer")
  local Vit2 = targetUser:GetProperty("Vit")
  local VitPer2 = targetUser:GetProperty("VitPer")
  local Int2 = targetUser:GetProperty("Int")
  local IntPer2 = targetUser:GetProperty("IntPer")
  local MDamReduc2 = CommonFun.calcMDamReDuc(srcUser, targetUser)
  local RefineMDamReduc = targetUser:GetProperty("RefineMDamReduc")
  local BaseMAtk = Int + math.floor(Int * Int / 100)
  local MAtkFinal = (MAtk - BaseMAtk) * (1 + MAtkPer) + BaseMAtk
  local MDefReduc = CommonFun.CalcMDef(srcUser, targetUser)
  local A = ((MAtkFinal * MDefReduc * (1 - MDamReduc2) + MRefine) * (a * skilllv + b) - Vit2 / 2 * (1 + VitPer2) - Int2 * (1 + IntPer2)) * (1 + MDamIncrease) * ElementRate * (1 - RefineMDamReduc)
  if targetUser:GetNpcID() == 30043_YEAR or targetUser:GetNpcID() == 280303_WILDNESS_SPIRIT_BEAST or targetUser:GetNpcID() == 56008_GOMORA or targetUser:GetNpcID() == 56009_BALTAN or targetUser:GetNpcID() == 56010_GOLZA or targetUser:GetNpcID() == 56011_BEMSTAR or targetUser:GetNpcID() == 56012_ELEKING or targetUser:GetNpcID() == 56013_KING_JOE then
    A = 1
  end
  if targetUser:DamageAlways1() then
    A = 1
  end
  if A <= 1 then
    return -1
  end
  return -A
end

Enemy

{
  "id": 85140,
  "BuffName": "Alight [Burn]",
  "BuffRate": {
    "Odds": {
      "type": 7991
    }
  },
  "BuffType": {
    "isgain": 0,
    "isdisperse": 1
  },
  "BuffEffect": {
    "Hp": {
      "a": 0.05,
      "b": 0,
      "type": 20
    },
    "type": "HSPChange",
    "limit_layer": 10
  },
  "BuffStateID": 95410
}

Formula

{
  "id": 80003001,
  "Buff": {
    "enemy": [
      85140
    ]
  },
  "Cost": 1,
  "Desc": [
    {
      "id": 86000,
      "params": [
        300
      ]
    }
  ],
  "Icon": "skill_86001",
  "Camps": "Enemy",
  "Level": 1,
  "Logic": "SkillSelfRange",
  "Damage": [
    {
      "type": 8001,
      "damChangePer": 0.7,
      "damChangePer1": 0
    }
  ],
  "DescId": "##170500",
  "NameZh": "##169752",
  "DamTime": {
    "type": 1,
    "value": 1
  },
  "Fire_EP": 3,
  "Pvp_buff": {
    "enemy": [
      85140
    ]
  },
  "RollType": 2,
  "AttackAct": [
    "use_magic"
  ],
  "Attack_EP": 2,
  "Lead_Type": {
    "CCT": 0,
    "FCT": 3,
    "type": 2
  },
  "SkillType": "Attack",
  "Target_EP": 2,
  "HitEffects": [
    {
      "type": 1,
      "speed": 10,
      "no_pvp": 1,
      "distance": 2,
      "direction": "back"
    }
  ],
  "Logic_Param": {
    "range": 3
  },
  "Launch_Range": 0
}