What strange sight did R Walton see?

R. Walton, in Mary Shelley's "Frankenstein," sees a large, mysterious figure moving across the ice in the Arctic. Upon closer inspection, he discovers that it is Victor Frankenstein, who appears gaunt and exhausted. This encounter is strange not only because of the remote, icy setting but also due to the desperate and frantic condition of Frankenstein, which foreshadows the dark tale of creation and consequence that unfolds. Walton is both intrigued and horrified by the sight, setting the stage for the story's exploration of ambition and isolation.