In "The Red Pyramid" by Rick Riordan, the characters Sadie and Carter display impressive magical abilities during a crucial moment. Sadie demonstrates her talent by managing her powers effectively while also controlling the formidable goddess Isis. This impressive feat highlights her growth and skill in handling magic.

Carter, on the other hand, impresses with his ability to transform into a lizard, showcasing his adaptability and courage. The acknowledgment of their individual strengths not only emphasizes their personal development but also hints at the teamwork required in their quest, underlining the importance of combining their skills in the face of challenges.