What did the centurion say would be enough to heal his servant?

Answer: Just a word from Jesus

The centurion said, "Lord, I am not worthy to have You come under my roof. But just say the word, and my servant will be healed."

“The centurion answered, “Lord, I am not worthy to have You come under my roof. But just say the word, and my servant will be healed.”— Matthew 8:8 (BSB)