Found this strategy quite powerful, especially for empires that are not focused on military side of tech tree you can acquire 6 foreign legions when everyone else has longswordsmen on Immortal difficulty.
I just went for Industrialization ASAP as a commerce strategy, then rush bought 3 Factories and got the 2 free tenents, then one more policy unlock and BAM. You can have really advanced offensive army. I had to use Oxford university for it but I think it can be worth it if you decide to go to war against someone. I did this with Assyria and got some nice techs by capturing some babylonian cities
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Can support the legions with some Gatlin guns, and ofc build the Big Ben too!
Maybe it's a bit too powerful strategy to get powerful infantry way before anyone else. Does it need balancing?
I just went for Industrialization ASAP as a commerce strategy, then rush bought 3 Factories and got the 2 free tenents, then one more policy unlock and BAM. You can have really advanced offensive army. I had to use Oxford university for it but I think it can be worth it if you decide to go to war against someone. I did this with Assyria and got some nice techs by capturing some babylonian cities

Can support the legions with some Gatlin guns, and ofc build the Big Ben too!
Maybe it's a bit too powerful strategy to get powerful infantry way before anyone else. Does it need balancing?