What advice does rudi give captain winter about climbing the citadel?

Rudi advises Captain Winter to approach the climb of the citadel with caution and a strategic mindset. He emphasizes the importance of understanding the terrain and the need for teamwork, suggesting that reliance on one person alone can lead to failure. Rudi also highlights the significance of patience and adaptability in overcoming the challenges posed by the citadel's steep and treacherous paths.