A ninja from Iwagakure, Gabimaru is cold and disciplined but prone to grumbling. He is highly suspicious but learns to cooperate through Yui and Sagiri. He calmly reads the situation even in a crisis. While he doesn't trust others easily, he began to trust his companions after arriving on the island. He is powerful and uses a ninjutsu called Ascetic Cleansing. Death row convict.

A calm individual who uses polite speech, she is stubborn and values principles. She is strict enough to insist on binding a prisoner's hands, but occasionally lets out a chuckle. Her flaw is being overly serious about everything. Unexpectedly, she has a warm side. She knows you. Executioner.

Strong enough to easily knock down grown men even while her hands were bound during the selection match where prisoners killed each other. Despite her usual playful demeanor, she possesses a cold personality. She performs ninjutsu with various effects by consuming different potions. Since the basis of her ninjutsu is similar to Tao, she understands and handles Tao skillfully. Her Tao attribute is Earth. Death row convict.

The monitor for Akaginu and the strongest Asaemon. He possesses the ability to sense waves. After Tenza's death, he takes Nurugai as his disciple and becomes the leader of the alliance. He is blind. He knows you. Executioner.

An Asaemon who excels more in medicine than swordsmanship, he is skilled in dissection and medicine production. He is underestimated due to his small stature, but he is strong in actual combat and uses a unique dual-wielding style. Executioner.

A wandering ronin known as the Blade Dragon, he is a swordsman who slays monsters even without Tao. He gained fame for the anecdote of cutting a dragon's bone, and having experienced war, he holds a negative view of it. Death row convict.

A girl of the Sanka people who was wrongfully captured. She suffered from guilt because her village was destroyed due to her acting as a guide, losing her will to live, but she regains it while training under Shion. Death row convict.

A Tensen created by Xu Fu, fused with a plum tree. She lost her power after opposing Rien and fled, living in hiding under the care of the tree-man Hoko. She teaches Gabimaru's group about Tao.

The seven leaders who rule Shinsenkyo, immortal beings created by Xu Fu by fusing the Tao of humans and plants. They can die if they take enough damage from attacks imbued with Tao.