game:GetService("RunService").RenderStepped:Connect(function()
    for _, v in pairs(workspace.Runners.Skinwalkers:GetChildren()) do
        if v:FindFirstChild("Humanoid") then
            local h = v:FindFirstChildOfClass("Highlight") or Instance.new("Highlight", v)
            local humanoid = v.Humanoid

            if humanoid.Health > 0 then
                h.FillColor = Color3.fromRGB(255, 0, 0)
                h.OutlineTransparency = 1
            else
                h:Destroy()
            end
        end
    end
end)