Little is known about Nidai Kitetsu's capabilities. However, to be one of the twenty-one Ō Wazamono katanas in the world means it is strong and is only surpassed by the 12 Saijō Ō Wazamono.
- It seems from their names and classifications, the Kitetsu were made weaker with each new sword. Nidai Kitetsu was the second to be made. It is graded in the O Wazamono making it the middle of the three swords in terms of strength.
- ↑ 1.0 1.1 One Piece Manga and Anime — Vol. 11 Chapter 97 and Episode 49, Ippon-Matsu explains the three swords: Shodai Kitetsu, Nidai Kitetsu, and Sandai Kitetsu
- ↑ One Piece Manga and Anime — Vol. 11 Chapter 97 (p. 13) and Episode 49, Tashigi explains the ranking of the Kitetsu swords.