LightningStaffServer

local folder = game.ReplicatedStorage:WaitForChild("LightningStaffReplicatedStorage")
local re = folder:WaitForChild("RemoteEvent")

local cooldowns = {}


re.OnServerEvent:Connect(function(plr, tool, mouseHit)

    local char = plr.Character

    if not cooldowns[plr] and char and tool.Parent == char and char.Humanoid.Health > 0 then

        local hrp = char.HumanoidRootPart

        local distance = (mouseHit.Position - hrp.Position).Magnitude

        if distance <= 40 then

            cooldowns[plr] = true
            re:FireClient(plr, "cooldownOn")

            local hitCF = CFrame.new(mouseHit.Position, Vector3.new(hrp.Position.X, mouseHit.Position.Y, hrp.Position.Z))
            local cloudCF = hitCF + Vector3.new(0, 35, 0)

            local cloud = folder.Cloud:Clone()
            cloud.CFrame = cloudCF
            cloud.Parent = workspace
            game:GetService("Debris"):AddItem(cloud, 20)

            task.wait(0.7)

            local glow = folder.CloudGlow:Clone()
            glow.CFrame = cloudCF
            glow.Parent = workspace

            local attachmentsList = {}
            local attachmentsAmount = math.random(7, 11)

            local increment = (hitCF.Position - cloudCF.Position).Magnitude / attachmentsAmount

            local lastWidth = Random.new():NextNumber(0.5, 1.3)

            task.spawn(function()
                for i = 1, attachmentsAmount do

                    local attachment = Instance.new("Attachment")
                    game:GetService("Debris"):AddItem(attachment, 0.5)
                    table.insert(attachmentsList, attachment)

                    local basePos = Vector3.new(0, -(i-1) * increment, 0)
                    local rx = Random.new():NextNumber(-4, 4)
                    local ry = Random.new():NextNumber(-3, 3)
                    local rz = Random.new():NextNumber(-4, 4)
                    basePos += Vector3.new(rx, ry, rz)

                    if i == 1 then
                        basePos = Vector3.new(0, 0, 0)

                    elseif i == attachmentsAmount then
                        basePos =  hitCF.Position - cloudCF.Position

                        re:FireAllClients("cameraShake", hitCF.Position)

                        local min = hitCF.Position - Vector3.new(folder.StrikeArea.Size.X/2, 0, folder.StrikeArea.Size.Z/2)
                        local max = hitCF.Position + Vector3.new(folder.StrikeArea.Size.X/2, 10, folder.StrikeArea.Size.Z/2)
                        local region = Region3.new(min, max)

                        local parts = workspace:FindPartsInRegion3(region, nil, 1000)

                        for i, part in pairs(parts) do
                            if part.Name == "HumanoidRootPart" then
                                local distance = (hitCF.Position - Vector3.new(part.Position.X, hitCF.Position.Y, part.Position.Z)).Magnitude
                                if distance <= folder.StrikeArea.Size.X/2 then
                                    part.Parent.Humanoid:TakeDamage(50)
                                end
                            end
                        end
                    end

                    attachment.Position = basePos
                    attachment.Parent = cloud

                    if i > 1 then
                        local beam = Instance.new("Beam")
                        game:GetService("Debris"):AddItem(beam, 0.5)
                        beam.Parent = cloud

                        beam.Attachment0 = attachmentsList[i-1]
                        beam.Attachment1 = attachment

                        beam.Color = ColorSequence.new{ColorSequenceKeypoint.new(0, Color3.fromRGB(135, 143, 255)), ColorSequenceKeypoint.new(1, Color3.fromRGB(135, 143, 255))}
                        beam.Transparency = NumberSequence.new{NumberSequenceKeypoint.new(0, 0), NumberSequenceKeypoint.new(1, 0)}
                        beam.LightInfluence = 0
                        beam.Brightness = 5
                        beam.LightEmission = 5
                        beam.FaceCamera = true

                        beam.Width0 = lastWidth

                        local randomWidth = math.clamp(lastWidth + Random.new():NextNumber(-0.4, 0.2), 0.1, 1)
                        beam.Width1 = randomWidth
                        lastWidth = randomWidth
                    end

                    task.wait(Random.new():NextNumber(0.03, 0.05))
                end

                cloud.CloudParticles.Enabled = false
            end)

            task.wait(0.2)
            glow.Attachment.GlowParticles.Enabled = false
            game:GetService("Debris"):AddItem(glow, 1)

            task.wait(5)
            cooldowns[plr] = false
            re:FireClient(plr, "cooldownOff")
        end
    end
end)