Ahmetcc_701's optimising

local Lighting = game:GetService("Lighting")

-- Disable global shadows
Lighting.GlobalShadows = false

-- Remove expensive visual effects
for _, v in ipairs(Lighting:GetChildren()) do
    if v:IsA("BlurEffect")
    or v:IsA("SunRaysEffect")
    or v:IsA("DepthOfFieldEffect")
    or v:IsA("BloomEffect") then
        v.Enabled = false
    end
end

print("Ultra Lightweight Optimizer loaded")