How do I stop this from repeating damage? This Is a tool Btw [closed]

cd = false  

anim = script.Parent.Parent.Humanoid:LoadAnimation(script.Parent.Animation)

script.Parent.Activated:Connect(function()
    if cd == false then

    print("OVERDRIVE")
        script.Parent.OverDrive.Playing = true
        cd = true
        anim:Play()
        script.Parent.Parent.HumanoidRootPart.Anchored = true
        script.Parent.Parent.HumanoidRootPart.Touched:Connect(function(touch)
            if touch.Parent:FindFirstChild("Humanoid") then


                    touch.Parent.Humanoid:TakeDamage(30)






            end
        end)


        wait(6)
        script.Parent.Parent.HumanoidRootPart.Anchored = false
        cd = false

        end
end)