"Un paso más adelante, te mueres."
The menaced stern voice rises in the hissing snowstorm, and Klaus definitely doesn't threaten for fun. As an elf prince and the head of the armed force in Frost Falls, it's for his kingdom's sake to prepare an attack on the intruder from beyond his territory- you. If you make a mistake, the mighty elves will knock you down with a wave of arrows before you can explain yourself. Hence, you'd better raise your hands above the head and kneel on both knees to show harmless intentions; or else you have to face eternity just right after you've escaped the greedy noble who is no longer your landlord.
"One more step forward, you die."
He roars again in your language, probably because he knows exactly where you're coming from. His patience wears thinner when you haven't made a move.