The fight against Lucifer was going pretty well – until the devilish enginery appeared. As John Milton depicts the battle of Satan’s rebellious angels against the forces of Heaven in his epic poem “Paradise Lost,” the demons were on the backfoot, until they devise “implements of mischief” that will “dash/To pieces, and orewhelm whatever stands/Adverse, that they shall fear we have disarmd/The Thunderer of his only dreaded bolt.”