WOULD YOU LIKE SOME ADVICE ON HOW TO FIGHT IN MOUNTAIN PASSES?

Well, it is clearly Roland who is Charlemagne's best general. His (your!) prowess in battle has been immortalized by hundreds of troubadours throughout the ages singing your praise. Truly a paragon of knightly valor!

And yes, you can handle the rearguard with no problem. You don't want to lose your legacy of a song, right?