12,000 BP in a hit, nice on the luck too. That's one way to get rid of a bir wall. What do you use? Favourable wind, a hero, one harpy to check the birs? and then battering ram, battle experience..... anything else?
Aristotle only lowers the production cost and speed of light ships mate, he doesn't improve their battle strength. I do use Aristotle, just while I'm building. Once you have the ls built you then transfer in Zuretha when launching the full attack since she boosts the strength of naval units