Black Hound Judo

Yudo's appearance is that of a young adult between 20 and 25 years old, his height is taller than average at 187 cm. He has dark skin, his body is slim and quite athletic due to his training to become a warrior (or Saint, before being exiled). His face has several features that make him look like an attractive man. His short hair is a dark shade and is combed back. When not fighting, he dresses elegantly in a suit consisting of a dark trench coat (possibly black) and pants of the same color. In his left eye he wears a lens or monocle. During combat he wears his Black Cloth over his suit.

Yudo is a person who demonstrates great self-confidence, with a personality that would make him seem somewhat arrogant or conceited, completely trusting in his abilities, even if his rival was a Gold Saint. He does not hesitate to kill and beat his rival, even if it is a girl. As a Black Saint, he is someone who was expelled from the Sanctuary for using his power to fulfill his own desires. In Yudo's case, he is driven by the desire of greed and lust. He is a person who loves to surround himself with women or flirt with several women at the same time, but even when he demonstrates this type of behavior, he always maintains an elegant attitude, flirting politely with different women.

Yudo was expelled from the Sanctuary and banished to Death Queen Island for trying to use its powers for personal gain. [2] He remained on the island for an indeterminate amount of time. He and a group of Black Saints murdered the island's guardian and his family, and then escaped from Death Queen Island and later settled in Venice, giving rise to the criminal organization Nero. The Black Saints have gathered at Avid's Mansion, during which they talk about Manigoldo's defeat of Lumaca. Yudo is flirting with two women when they begin to talk among themselves about the arrival of two Gold Saints sent by the Sanctuary. Yudo comments that he can sense that one of them is capable of using the Seki Shiki Meikai Ha, but the invaders are rookie Gold Saints, therefore, obtaining their Gold Cloths will be no problem. Avid replies that they left the Sanctuary to satisfy their own desires and that those children are nothing... but gold is a measure of wealth in the world and that interests him quite a bit. Ávido asks his men to kill the Saints and bring him their golden armor. The conversation ends with Ávido telling them that the Sanctuary will not be able to stop them, as the world existed to satisfy the Black Saints. Later, Yudo senses the arrival of Manigoldo and Albafica at the Church where Allegre is waiting to confront them. But his leader Ávido seems confident that Allegre will be able to defeat them.

At Avid's Mansion, Gioca is wandering around the place and remembering some details about her past, until she finds a mask adorning the place, upon observing it closely, she remembers it as something familiar from her past. Yudo appears there and explains that the mask seals and controls the Black Saints who inhabit Death Queen Island, and they murdered the family that kept them sealed with that mask, but it seems that someone had escaped. Yudo tells Gioca that at that time she was a baby that's why she doesn't remember anything, but she is glad that a member of that family survived and asks her to destroy the mask, since only she can do it. Hearing these words, Gioca begins to think that if she uses that mask she can defeat the members of Nero, but Yudo replies that it is impossible because the mask has lost its power, hearing him she wonders if her rival can read minds. Yudo explains that he can read her heart and knows everything she thinks and even knows her secret revealing that Gioca is really a woman, he begins to hurt her to force her to destroy the mask, but she remembers Manigoldo's words about the cosmos and how he can perform a miracle with it, so she grabs the mask, which releases a glow that repels and knocks down Yudo. Yudo rejoins with his destroyed armor and tries to end Gioca's life considering her as something dangerous, but before he can do so a Bloody Rose is stuck in his back, when he feels the rose he turns to see the arrival of Albafica, who explains that the rose will consume all his blood. Yudo is surprised by Albafica's presence, since Laimargos was supposed to confront him, but he replies that Laimargos fell prey to his roses. After learning of this, Yudo dies for the Bloody Rose.

•Wave Punch: Yudo delivers blows exceeding the speed of sound in a circular motion all over the opponent's body. •Million Ghost Attack: Yudo leaps into the air, creating hundreds of copies of himself. These optical illusions confuse his opponent, and when attacked, they are passed through like ghosts. The real Asterion remains hidden within these illusions and moves continuously at speeds of Mach 3 (1029 m/s), making it even harder for his opponent to hit him. Asterion and his countless copies then rapidly approach the opponent from all directions, and once close enough, they pounce on them and deliver a powerful kick. •Satori no hō: A technique that allows Hound Saints to read the minds and hearts of their opponents. This technique allows them to prevent their opponent's attacks, anticipating them and thus countering them. They can also obtain all the information they need from their opponent and know what they are thinking at every moment, and even create false images in their victim's brain, making their opponent believe they have defeated them. •Hound Hollow: Yudo propels himself with his legs and rises into the air with a great jump, then spins around himself, extends his left leg, concentrates his cosmos on it and finally hits his opponent.