TV-Series
Description
Hellmaster Fibrizo, also known as Phibrizzo, appears as the primary antagonist in the later episodes of Sliders Next. His background is that of a Mazoku, a demonic being, and he holds the distinguished rank of being one of the five foremost subordinates directly serving the Dark Lord Ruby Eye Shabranigdo. He is often cited as the most powerful and intelligent among these five lords, holding the title of Hellmaster, which grants him dominion over death and the spirits of the dead. His age is immense, having lived for thousands of years, and he was the mastermind behind the devastating Kōma War a millennium before the main story.

In terms of personality, Fibrizo is characterized by a profound intellect and a cunning, manipulative nature. He is a meticulous schemer who prefers to work from the shadows, orchestrating complex events over centuries rather than engaging in direct confrontation. True to his Mazoku nature, his core drive is nihilistic: he seeks to return all of existence to the primordial Sea of Chaos, viewing absolute destruction as the ultimate goal. To achieve his ends, he displays a chilling level of patience and a complete lack of empathy, treating the lives of humans and even other Mazoku as disposable tools. Psychologically, he prefers to appear as an innocent-looking young boy, a form he finds convenient because it allows him to deceive others and be underestimated, often hiding his true nature as a massive, terrifying entity of dark energy and lightning.

Fibrizo's role in the story is that of the hidden puppeteer. He is responsible for setting the stage for most of the events in Sliders Next, including the manipulation of Lina Inverse and her companions. Understanding that he cannot directly summon the power of the Lord of Nightmares, he devises a long-term plan to force Lina to cast the forbidden Giga Slave spell. He intends to cause her to lose control of the spell, thereby unleashing the chaotic energy of the Lord of Nightmares to destroy the world. To this end, he borrows the powerful Mazoku Xellos from another lord, Zelas Metallium, to act as his agent and guide the group according to his design. His key relationships are largely transactional and antagonistic. He sees the human sorceress Lina Inverse as an essential tool for his plan, and he kidnaps her companion Gourry Gabriev to use as leverage. He also views Chaos Dragon Gaav, another of the five lords who became a traitor, as an obstacle to be eliminated. Fibrizo demonstrates his overwhelming power by easily destroying a wounded Gaav, whom the protagonists had struggled to even injure.

The character's development is limited by his status as a final antagonist, but his plan unfolds with terrifying effectiveness. For much of the series, he succeeds in every step, manipulating events from his disguised form as a child. He ultimately achieves his goal of forcing Lina to cast the complete Giga Slave, bringing him face-to-face with the Lord of Nightmares. His downfall comes not from a direct defeat by the heroes, but from a critical miscalculation: he assumed the Lord of Nightmares would be an ally of chaos, when in reality it is a neutral creative force. When he attacks the body of Lina, who is possessed by the Lord of Nightmares, he provokes the entity's wrath and is effortlessly annihilated, becoming a sacrifice instead of the world.

Notable abilities make Fibrizo an exceptionally formidable foe. As the Lord of Hell, he wields absolute power over life and death. A signature technique involves using small, golden spheres, often referred to as soul orbs; by shattering one, he can instantly kill the person whose life force is bound to it. He can also encase his victims in indestructible crystal and phase between the material world and the astral plane, making him difficult to harm with conventional magic. He is shown to be capable of annihilating a fellow Mazoku Lord with a mere snap of his fingers and can neutralize powerful black magic spells, like the Dragon Slave, with ease, forcing his enemies to rely on only the most dangerous and uncontrollable magic. The black magic spells Ragna Blast and Ragna Drive are known to call upon his power.