Can anyone beat this for a frustrating battle....

Simple fort assault, Cyrenacia as HRE attacking Eggy garrison. With a thirty minute time limit, by the 15th minute the fort was flattened and the Eggies were down to one man, the Ghulam bodyguard general. At the end he was still alive!

I had him trapped between two units of Swiss halberdiers (both v2), AP + anti-cav bonuses. No joy. Pinned him with feudal sergeants and booted his backside with woodsmen (AP). No joy. Pulled out woodsmen and emptied two units of mounted crossbows of ammo. Emptied a jinette unit of ammo. Nothing touched him at all! FIFTEEN MINUTES of everything I had suited for armoured cav failed to kill him.

Just to make it worse, the fort was about to fall anyway (trying to save some infrastructure by assaulting) so I didn't even get to see his stats after the battle! Then my general got "weak assaulter" as a result

Incredible.....