The strongest characters in the comic version of Wind and Cloud were Nie Feng and the Demon Sealer. Nie Feng was a gifted swordsman with many powerful martial arts such as the Divine Sword Sect and the Unrequited Love Valley. He could also increase his strength to reach the realm of super sword techniques by cultivating internal strength. The Demon Sealer was a mysterious person with mysterious powers and martial arts that could control magic and ghosts. He was so powerful that he could easily defeat Nie Feng and some other powerful swordsmen. In the manga version, the strongest martial arts were Demon Sealing Internal Force and Ghost Martial Arts. These martial arts were very powerful. They could control time and space, and could even make the opponent fall into a strange state that they could not escape from. Therefore, if one wanted to challenge a Demon Sealer, one needed to possess powerful martial arts and mysterious power.