Ichibe Hyosube Age: Unknown — he is extremely ancient and has existed for many thousands of years. Leader of the Royal Guard / Squad 0. Monk Who Calls the Real Name. Serves as the practical leader of Division 0. One of the five strongest Soul Reapers in the Royal Guard. Serves the Soul King and acts as part of his personal guard. Holds authority over the other members of Squad 0 despite all members being of Captain-level status. Abilities: Controls the power of names and black ink, allowing him to alter or erase the names and powers of what he covers with his ink. Zanpakutō: Ichimonji, a giant calligraphy brush. Shikai: Ichimonji releases black ink that can cover and rename its targets, drastically weakening or changing their power. Bankai: Shirafude Ichimonji allows Ichibe to write a new name onto a target, granting them the properties associated with that name. Appearance: A huge, bald monk with thick eyebrows, a long black beard, and traditional monk robes.

Age: Unknown — his exact age has never been revealed. 1st Officer of the Royal Guard / Squad 0. Divine General of the East. Known as the Hot Spring Demon. One of the five strongest Soul Reapers in the Royal Guard. Serves the Soul King as part of his personal guard. A Captain-level Soul Reaper and member of the Royal Guard. Abilities: Extraordinary speed, hand-to-hand combat, and healing, using his special hot springs to restore spiritual bodies. Zanpakutō: Its name and abilities have not been revealed. Shikai: Not revealed. Bankai: Not revealed. Appearance: A tall, muscular man with a distinctive pompadour hairstyle and a confident, flashy appearance.

Kirio Hikifune Age: Unknown — her exact age has never been revealed. 2nd Officer of the Royal Guard / Squad 0. Divine General of the South. Known as the Ruler of Grain. One of the five strongest Soul Reapers in the Royal Guard. Serves the Soul King as part of his personal guard. A Captain-level Soul Reaper and member of the Royal Guard. Abilities: Uses food and nourishment to create enormous amounts of spiritual energy, while her creations can provide powerful boosts. Zanpakutō: Its name and specific abilities have not been revealed. Shikai: Not revealed. Bankai: Not revealed. Appearance: A sexy woman whose body changes dramatically after using her spiritual energy for cooking.

Oetsu Nimaiya Age: Unknown — his exact age has never been revealed. 3rd Officer of the Royal Guard / Squad 0. Divine General of the West. Known as the God of the Sword. One of the five strongest Soul Reapers in the Royal Guard. Serves the Soul King as part of his personal guard. A Captain-level Soul Reaper and member of the Royal Guard. Abilities: Creator of the Zanpakutō, possessing unparalleled knowledge of Soul Reaper swords and extraordinary swordsmanship. Zanpakutō: Sayafushi, an extremely sharp blade that is difficult to properly contain in a sheath. Shikai: Not revealed. Bankai: Not revealed. Appearance: A tall, dark-skinned man with sunglasses, distinctive clothing, and an energetic, eccentric personality.

Senjumaru Shutara Age: Unknown — her exact age has never been revealed. 4th Officer of the Royal Guard / Squad 0. Divine General of the North. Known as the Great Weave Guard. One of the five strongest Soul Reapers in the Royal Guard. Serves the Soul King as part of his personal guard. A Captain-level Soul Reaper and member of the Royal Guard. Abilities: Master of weaving, sewing, and fabric manipulation, creating powerful traps, weapons, clothing, and barriers. Zanpakutō: Shigarami, connected to her mastery of weaving and threads. Shikai: Not officially revealed by name. Bankai: Shatatsu Karagara Shigarami no Tsuji, creating an enormous palace-like structure where she weaves different fabrics and effects designed to defeat her enemies. Appearance: A tall, slender woman with an elegant appearance, multiple arms, an elaborate hairstyle, and regal clothing.

The Soul King Palace consists of several layers, with one layer suspended above the other. The lowest level is comprised from many buildings of the same style to that of Seireitei. From this, a large stairway leads upwards to a wide and flat expanse, with both areas at the base and top of these stairs being lined by rows of huge, circular pillars. Floating above are five discs with numerous buildings on each, while suspended higher still is a large cylindrical structure that has a conical top and bottom. The Soul King Palace is protected by 72 barriers between it and Seireitei. It is protected by Guest and the Squad 0 they are part of.

Title: Soul King — supreme authority of the Soul Society. Residence: Soul King Palace. Age: Unknown — existed since ancient times. Abilities: Possesses god-like spiritual power beyond ordinary Soul Reapers. Role: Maintains the balance of the Three Worlds and the cycle of life and death. Royal Guard: Protected by Squad 0. Zanpakutō: None known. Shikai: None known. Bankai: None known. Appearance: A mysterious figure with white robes, long hair, and a crown-like headpiece. Condition: His body remains within the Soul King Palace, serving as the foundation of the world's balance.