Roblox Tower Heroes Auto Upgrade Script (Works)

-- Auto Upgrade
_G.AutoUpgrade = true; -- change to false to stop

while _G.AutoUpgrade do
    wait(3)
    local children = game:GetService("Workspace").Troop:GetChildren()
    for i = 1, #children do
        game:GetService("ReplicatedStorage").Events.TroopEvent:FireServer("Upgrade", children[i])
    end
end