Scythe Artillery

We had a game the recently where there was some serious turtling. My nephew wanted to call down artillery to break the deadlock so we talked about how we could add our own. Here is what they came up with. A little rough around the edges but was a fun to and fro that bought in some big smiles.

Back story
We passed these walls many times on previous visits to the factory. Only today we saw for the first time that the walls were in fact huge steel doors. Doors to a tomb like void that confined