I adjusted builds...
getting national units built promptly - great
units - good
Courthouses, some Smuggler's Ports, some Money Changers - OK
Alchemy Labs, Gambling Houses, trade route multipliers in cities with 1-commerce trade routes - bad
I have to admit, I warmed up to Arquebuses as the turnset went along. Once we had a more comfortable mass of units built up, quality started to look better than quantity.
...and gave Rhoanna Mithril Working and demanded it when she hooked it up. But I converted her and gave her resources. She's up to Cautious. Might want to convert her last city to be safe.
...and moved around units a bit to prepare for war. I had the mages and some attack units attack the northeast city, mobile units in Dis, and stationary units garrisoning the other two cities.
I declared a few turns in, and Einion attacked Spilan. His army surrounded it, standing inside the "stand here for ring of flames" lines I drew on the ground for them. But when I sent in reinforcements he must have gotten nervous, because he didn't really attack, just sort of stood there for a couple turns while I picked him off. Took the northeastern city, too.
So then I started moving down, taking cities with two or three parallel stacks. I lost a few T3s and 4s (but not Beasts or Eidolons) when Sandalphon's main stack showed up, and I was a bit spread out. But Einion's wind seemed to be knocked out, and he mostly just had 4-5 unit garrisons everywhere.
Meanwhile...
Charadon asked us to declare on Alexis. We were spread a little thin but not that thin, so I did it because he was out of WFYABTA again. So I traded for Religious Law, Tracking, Theology, and Animal Handling. I self-researched Poisons so that we could build Shadows faster by building Scouts and upgrading them through the Assassins path. I did the same type of thing for mounted national units. By the end of the set we had 4 Knights, 4 WCs, 4 Shadows, and 3 Profanes. Just starting to build Balors, and we can start the Phalanxes in a few turns.
Charadon appears to be building Blood of the Phoenix, by the way. So if we attack him later it will be gigantic monster stacks x 2.
Oh yeah. The AC hit 80, which meant we got Champions all over the map. Many were useless, but those that could get into our cities became OK second-rate garrison units with the Mithril upgrade. I left some of the spawned Champions, such as the ones on Charadon's continent, where they spawned in an interesting or amusing spot.
I also acquired three mana nodes: one from a colony that Alexis put on that elf fire node, an Enchantment node redone from the Hippus Entropy node, and our first Death node from settling the elf desert city. We're not going to be doing massive waves of Wraiths unless we build Imps Imps Imps, but if we hook up more Death nodes we might get some wraiths from free promotions, and maybe Liches later. Self-researched Necromancy for the Death node. The Sheut Stone bonus from Necromancy was long overdue.
Back to the war front...
The main issue is speed, and knocking down city defense. Of course, we're attacking with move 2 units only. (The western stack I have right now does actually have a couple 1-move units, but that stack was more of an afterthought.) Another thing limiting our speed is knocking down city defense. We should probably split up our mage stack. And build more boats, since they bombard too, and we might want them later. Only one unit has Guardsman (Hyborem), but if we're careful to watch out for Sidar Ghosts I think we can probably keep our mages safe enough. Maybe we could use our Shadows to help with forward recon, but they didn't really seem to be invisible when I experimented with them.
Besides Mobility I've been promoting down the Combat line going for March. Right now I have most of the mounted units in one stack, but that's stupid, since they can't get March and so they take longer to heal. Really, the mounted units should be split up as stack helpers, then heal and catch up.
We picked up the Nether Blade (Mardero got it) and the Athame (a Death Knight has it.)
I think that covers everything.