Top four changes to make when going from Warlord to Noble:
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4. Keep your defense up. If you're not the leader on the power graph, consider postponing some useful buildings until you can crank out a few more units to make up the disparity. The AI declares war when it smells weakness. Diplomacy can help, but unless they're at "Friendly," a small army is still dangerous. Spread your defenders out. The AI will attack if they see a lightly-defended border town. After Astronomy, all coastal cities are border towns. Being able to win a defensive war is not enough. You want to take away every incentive for the AI to declare war in the first place.
Can I get an "AMEN"? The BtS AI is actually playing to
win, not merely to stay in the game for as long as possible. They'll pile on and start carving up your empire if you let them....
I had a moment in my current game when the AI tried to carve me up like a Thanksgiving turkey. I'm playing Darius (yeah, yeah, I know) on an Archipelago map with Raging Barbs, Aggressive AI, and No Tech Brokering. Noble difficulty, Epic timescale.
After a bloody conquest of Spain, I'm nicely in the lead. I have nearly double any of the AIs' scores. My next-closest competitor is the aforementioned Hatty. I'm near the end of the Industrial Age, and Hatty is a full age behind me. So I figure I'm in good shape to cruise to a Space victory....
However, as I'm watching Kublai Khan shuffle around his
huge stacks of units, it occurs to me that I should check the Power graph. After all, most of my military is obsolete by now (I conquered Spain with Maces, Knights, and Trebuchets), and I never really had all
that many troops in the first place. I wonder if I'm starting to look tasty? Sure enough, I've dropped to #3 on the Power graph, behind Kublai and Hatty. Uh-oh.
So I shut off research for a few turns and start pouring cash into troop upgrades. All across the Persian empire, my soldiers start to trade in their longbows for modern rifles. And just to be extra-safe, I decided to upgrade the troops on the islands that were closest to Hatty and Kublai
first. The home island can wait for a few years, but let's have some Infantry on the border
now.
As soon as the newly-upgraded Infantry are re-fortified in their defensive positions, I spot a whole lot of Egyptian ships headed my way. Hmmm ... what could that be?
Sure enough, Hatty tries a sneak attack against Seville, right along the border! I could be in serious trouble! Yeah, I have Infantry, and Hatty's army is still medieval junk, but that's a whole lotta Maces and Knights. Will my three fortified Infantry hold the city?
And this crucial point is where the AI decides to smoke something very funky.
Instead of landing her obsolete SoD and attacking on the next turn, Hatty decides to attack directly from her Galleons! So we add in the 50% penalty for amphibious assault to the already-hideous odds that Hatty's troops were facing ... and the entire SoD crashes against my fortified Infantry. Swarms of loyal Egyptians die for their Queen, and my defenders are completely unharmed.
After her SoD croaks, Hatty declares war on me.
Yeah, I had already guessed that. Thanks for the notice!
My Destroyers and spare Transports swoop in to sink a whole armada of Egyptian Galleons and Caravels. Meanwhile, I load my offensive stack on some more Transports and send it to Thebes. Persian Bombers pound the Egyptian defenses into rubble and cripple her troops. Airlifted Tanks supplement the offensive stack, and eventually take the brunt of the attack. A few years later, I've claimed Egypt's home island as my new vacation home, and Hatty has capitulated to me. I like to imagine that we signed the surrender right in front of the Statue of Zeus (in newly-Persian Thebes) that had given me so much war weariness....
The point of my whole sordid tale is this: Keep an eye on that Power graph! If you're falling behind the AIs,
you are a target.
If I hadn't started my Rifles-Across-Persia campaign, Hatty's SoD would have encountered Longbowmen, and I would have lost Seville for sure. Other cities would probably have followed swiftly.
My other point (which we already knew
) is that Tanks + Bombers + Infantry versus medieval armies is an appalling slaughter.
Man, airpower is
scary when there's no opposing fighter/SAM coverage. Better luck next time, Hatty!