With the ordinary Knightmare's losing to Lelouch's sigint advantage, now is the time for Lancelot to enter the fray.
And it's a monster. Suzaku has a massive hardware advantage. Worse, he thinks that if he defeats the terrorists and stops the fighting, he can rescue Lelouch.
Kallen buys Lelouch time to get away and eject. Suzaku stops his pursuit to save a woman falling from a collapsing building.
The soldiers close in on the resistance, but just as they're about to win, Prince Clovis calls and end to hostilities.
Wait, what?