Complex sentence: She wanders among the eerie tableau and singles out Helena and Verdeschi who, like the rest, were affected by vertigo when falling under the alien power and were supporting each other when frozen in place.
Split into simpler sentences: She wanders among the eerie tableau and singles out Helena and Verdeschi. Thye, like the rest, were affected by vertigo when falling under the alien power and were supporting each other when frozen in place.