The sewer men who changed the war
bbc.co.uk
bbc.co.uk
The need to master mining in the first place is because "in the belief that siege warfare tactics like this were a thing of the past, the Royal Engineers had wound down their military mining section."
(Here we go, Odysseus and Diomedes steal the Palladium, use a 'secret passage'; apparently not in the official Homer version of the story https://en.wikipedia.org/wiki/Palladium_(classical_antiquity... )
All the while, the Humans on either end of the battlefield will be participating in the war as if playing a game. I'm not sure if I want to picture the poor suckers mixed in the middle.