During this period of isolation why not set up and play some refights of actual battles. They are great fun, can become magazine articles we can get published, and I have set up a FB page specifically about them.
On the website in the ARTCILES+ section you can find Cannae, Ruspina and Pavia as documents to help you get started.
https://mortem-et-gloriam.co.uk/meg/event-guidelines/
(https://mortem-et-gloriam.co.uk/meg/event-guidelines/)
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