The verb would be turn. If not turn then remind<span />
The right answer for the question that is being asked and shown above is that: "<span>A.Doré's illustrations depict characters and settings in a realistic way, while Blake's illustrations show a more unrealistic and stylized version of the story. "</span>
(if) the magician were to get leery warnings about how he can turn bad from using too much power, you would expect for it to (maybe) happen some point during the story.