Final answer:
The characters from Volterra are likely confounded by Bella due to her unique trait of being immune to psychic powers in the 'Twilight' series, which is a narrative device used to create intrigue and develop the storyline.
Step-by-step explanation:
The question seems to be inspired by a narrative where characters from Volterra, presumably from the 'Twilight' series, are confounded by a character named Bella. In literature, characters may be confounded by someone for various reasons such as possessing qualities that defy the norm, having an unexpected impact, or being immune to supernatural effects.
In the context of 'Twilight', Bella's immunity to psychic powers, which puzzles the Volturi, is a good example of a character trait causing confusion. This reflects a common theme in literature where the protagonist has unique attributes that set them apart and drive the plot forward.
Narratives often use such devices to create intrigue and develop character relationships, which is seen through the interactions between Bella and the Volturi, as well as in the provided references where characters face unexpected feelings, social norms, or events that challenge their perception.