macro(100,"Monster Skull on Screen", function()
  local spectators = getSpectators(pos(), false)
  for i, spec in pairs(spectators) do
      if spec:isMonster() and spec:getSkull() == 4 then
          return CaveBot.setOff()
      end
  end

  if CaveBot.isOff() then
    return CaveBot.setOn()
  end
end)