Final answer:
Carter needed his sword for strength and protection when crossing the abyss.
Explanation:
Carter needed his sword when he crossed the abyss because it symbolized his strength and protection. In literary works, swords are often used to represent power and courage, essential qualities for facing challenges. For Carter, the sword served as a tool not just for physical defense but also as a symbol of his readiness to confront whatever dangers lay ahead.
Learn more about symbolism of swords in literature here:
https://brainly.com/question/9476414
