three emperors

Have you been able to perfectly clear the other missions with 5*? If you struggled to perfectly clear the earlier ones, you may not be used to the mechanics yet.

It should be doable, even with trainers with 2*-3* in their respective specializations.


Without equipment.

I left Napoleon with the 2 northernmost inf to block Kienmayer (HRE / Austrian gen that attacks you immediately).
The rest will cross the Danube or begin the attack towards Vienna. Upgrade your cities only.
Then, attack the stables held by the gen, followed by an anti-clockwise sweep of the area about Vienna. Buda can be used to spam light arty.
Bombrd Vienna and take it. Then, move against Austerlitz, before attacking Brunn.
You may want to take the tiny village on the north side of the Danube to spread the Russians. Otherwise, pound the Russians into oblivion.

Just remember to flank or encircle to drop their morale. Then, attack with arty first. Followed by common troops, before gens attack.

Don't cross the Danube if the Russians are right on top of Brynn, except from the village, and Buda and Pest.
Dig in with inf and resist the Russians around Vienna.
Once they let up, quickly take Austerlitz and move against Brunn.

You need to speed up your advance. Flank and bombard, before attacking with melee troops. Concentrate on each target to maximise dmg dealt to him.
If your cav gens have not moved, let them deal the last hit.
With elite and competent French commanders, it is doable.

Did you spam light arty from Buda? As long as inf from Pest hold the Austrians / HRE troops off, the factory in Buda is safe.

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You NEED to march towards Vienna, and clear the area around it ASAP. Then, quickly take the city.
You can play defensively from Vienna, supported by light arty from Buda.

Don't let Davout or Soult take too much dmg. Avoid letting Oudinot fall, because he has the skill that maintains inf atk even when HP drops.
Bernadotte can fall, though. He's not that great, and worse on cav, IIRC.

Then, your troops can hit back afterwards / at the same time, from Budapest towards Austerlitz. Then, from Austerlitz, towards Brunn.

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Who are your gens, by the way?

A run without gens, medical kits, or tech upgrades. Kienmayer was probably beaten by Turn 7. Vienna was taken by Turn 10. Notice the Russians almost being upon my position. Buda has been taken to pump out light arty. Victory on Turn 15 by eliminating the gen in Brunn.

I believe the problem could be because you panicked and switched to a defensive posture too early. This, and maybe because you advanced too cautiously.

You should not group gens together at Munich. March those south of the Danube against the stables ASAP.
I took risks by letting Davout advance ahead, but the others caught up.

As mentioned, I took an anti-clockwise route about Vienna. I recommend this, as opposed to storming Vienna because we have access to Budapest, while wiping out all Austrian / Imperial troops (read: distractions).
Most importantly, I deployed 3-4 light cav to reinforce / retake the town on the Danube and spammed light arty from Buda. The combined might of two arty gens, light arty from Buda, flanking, and the powerful French gens brought down Vienna, Kutuzov, and Bagration.

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Based on (4), you're either too slow, or on the wrong side of the Danube (unlikely). You cannot stop until Vienna is secured with support from Budapest. This gives you a good position to defend against the Russians and remaining Austrians. There is enough time before the Russians arrive to take all of these targets.

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Edit: Wait, do you have medical kits? If you really cannot do better now and want to clear this ASAP, I recommend using one or two. In terms of who to use them on, Oudinot and Lannes just need to survive, while Murat should recover more HP because Mass Fire is limited to inf units only.