What's the smartest/coolest thing your AI has done?

[CMcMahon]

I got feinted in a recent battle as a single Julii army (my reinforcements were delayed, for whatever reason) against two Greek full stacks. The first full stack sent all of its cavalry to my right flank, while the second stack remained far behind. So, I sent out my cavalry to fight the first cavalry.

Well, while the infantry from the second stack was sitting back their, all of their Greek cavalry came in from my left and routed all my triarii and principes that were fighting armored hoplites (who had already routed most of my hastati, which I was using as a buffer anyway).

Terrible loss.

[sapi]

I was sieging a town long time ago (i think i was roman) (1.1 i think), and unknown to me the enemy had onagars.

They immediately aimed for my general (who was standing still), and in a freak shot over stone walls they hit him dead on with a flaming ball. Ouch. Needless to say, he died.

The battle then proceeded to the enemy's satisfaction, with my army being pinned near the wall breach by pikemen and being decimated by archers/towers.

Without a general, my men routed, and i faced the loss of my entire greek field army, along with a rising, 20 year old, 6 star general, who died to a well timed onager blow.

[Enderel]

I've experienced a good example of intelligent campaign AI last night. (Mundus Magnus, hard, hard) Sieging an Egyption city with Seculid army and they bought up reinforcements from behind to completely trap me. Faced with two massive armies in the middle. Got to the battle map and found I was completely surrounded needless to say my army was total annihilated.

So decided to replay that round again on the campaiign map and flee the battle initially, the AI had put another army (1 unit just to have a presense) above the city and I got trapped and hit by all three armies!