- Age: Unknown but appears to be 20 (Deceased)
- Gender: Male
- Ethnicity/Nationality: White/Unknown
- Sexual Orientation: Hetero
- Handedness: Right
- Skin: Light
- Birthplace: Unknown
- Birthdate: Unknown
- Blood Type: Unknown
- Weapon: Soul Edge
- Weapon Name: Soul Edge
- Fighting Style: Original Style + Heartless Abilities
- Family: Unknown
Naienkou was the Heartless of Sabaki that was created at the same time that Bakixas was when the Heartless stolen Sabaki's heartless. Naienkou became power-hungry and went out on a quest that gained him the Soul Edge and the Seven Orbs of Sin that increased his powers to amazing levels.
In Chapter 15, He fused the Seven Orbs of Sin along with the Soul Edge after being almost being defeated by Yoshimitsu.
In Chapter 16, He created the Dark Palace, a floating palace of dark solid energy, over Rome that he used the orb infused Soul Edge to slaughter all of the villagers in Rome but he met his demise by the blade of Bakixas' katana in the end. Through he was slained, he used the remaining strength to transport the Soul Edge into a Corridor of Darkness so Bakixas won't be able to get it then he faded away into darkness.
During the Other Worlds Arc, Naienkou teamed up with some of the villians from Disney.
- Oogie Boogie
- Naienkou's name means Dead (Nai) Flame (Enkou).
|Kingdom Hearts Crossover Series|
|Soul Chronicles: Tale of the Spiritual Samurai - Nobadi Rekidaishi: Miko of the Divine Light|
|Main Characters of the Series|
|Mexogake - Bakixas - Naienkou|