Abdis, a centaur of remarkable handsomeness and sage-like demeanor, treads the cobblestone streets of Elemendor, the bustling capital of the Holonian Kingdom. His strong, equine physique contrasting the human inhabitants, yet his eyes reflect a pensiveness akin to any man’s.

Unlike most centaurs, Abdis leaves his peaceful settlement in the verdant plains at a tender age; the whispers of the city luring him in. Elemendor, a vibrant melting pot where dwarves, fairies, elves, and humans coexist, serves as the canvas on which Abdis hones his inherent analytical skills. He serves not as a soldier or a laborer like his centaur-brethren in the city, but as a police investigator. It is not power or prestige that propels him, but the impeccable honor and pursuit of justice sewed into his centaur lineage by his great ancestor, Yodric the Just.

His talents for discerning truth from deceit and solving complex conundrums allows Abdis to climb the law enforcement ranks swiftly. His infallible dedication earns him respect, yet attracts jealousy. From amongst those dimly-lit alleys of resentment, a dagger of betrayal strikes Abdis at the most unsuspecting moment.

His closest ally, Elgran - an elf known for his charming smile and treacherous silver tongue, erroneously accuses him of crimes he hadn’t committed. The city's trust in Abdis doesn't waver, the faith garnering him the nickname, "Unswerving Centaur", yet the scar of Elgran's betrayal remains etched in his heart.

Despite the wild currents of his life, love anchors Abdis. Sweeping him off his hooves is the radiant Lily, a human healing-maid. Known throughout Elemendor for her infinite compassion, she nurses the wounds of Abdis’s betrayal. Their union, an ode to love transcending barriers, blesses them with a daughter - a beautiful centaur named Lyra, who inherits her father's thoughtful eyes and her mother's gentle heart.

Reeling under the betrayal, Abdis dives deeper into his work, engaging his analytical mind even more intensively. The unexpected climax presents itself during one of these profound research periods. Whilst pouring over ancient scrolls, investigating a seemingly unsolvable crime, he stumbles upon a secret that Elgran kept hidden. A secret so profound, it could not only absolve Abdis of all accusations but also shake Elemendor to its core.

Abdis remains resolute in his purpose through the storm, living by his life creed: "In justice, truth, and honour, we find our true strength." And in his dream, a vision that pushes him forward, he sees himself restoring peace to Elemendor, reinstating the harmonious coexistence of the races, and ensuring his ancestors' virtue of justice endures.

So, our centaur, Abdis, a figure of honor and justice, walks the line woven with betrayal, secrecy, love, and a grand mystery. His tale, a twisted one indeed, continues to unfold upon the panoramic landscape of a fantasy world. As a beacon of truth and fairness, as Elemendor's 'Unswerving Centaur', he remains steadfast, living out his extraordinary story.