Baki Hanma, son of Emi Akezawa and Yuujirou Hanma, embarked on a relentless martial arts regimen from early childhood, guided by his mother’s strategic use of elite trainers and resources to forge him into a warrior capable of overthrowing his father, the world’s strongest combatant. A life of privilege fractured when a pivotal defeat drove him to shatter his home gym, rejecting structured training for visceral, unfiltered battles. At 13, fueled by vengeance after Yuujirou murdered Emi for shielding him mid-conflict, he embraced brutal self-engineered trials to hone his body and will. By 15, Baki dominated Tokyo’s underground fighting circuit, claiming championship glory by defeating adversaries like his half-brother Jack Hanma in the Maximum Tournament’s climactic duel. His combat philosophy melds mixed martial arts with unorthodox strategies—exploiting blood to impair opponents’ vision, targeting neural pressure points, and practicing shadowboxing to mentally simulate encounters, refining his ability to adapt and mimic techniques mid-fight. Scars etch his physique as testaments to his grueling training, while a mole beneath his eye—inherited from Emi—and the spectral "demon back" (a Hanma lineage trait that surges during life-or-death struggles) mark his identity. Baki oscillates between playful nonchalance and primal ferocity, sparing the vulnerable while ruthlessly provoking rivals to unlock their latent power. His bond with Kozue Matsumoto offers stability, strained temporarily when boxer Mohammad Alai Jr. challenged their connection through misguided romantic pursuit. Over time, his drive transitions from vengeance to a nuanced understanding of strength as harmony between physical mastery and indomitable resolve. Confrontations in events like the Great Raitai Tournament pit him against foes such as Pickle, a resurrected primal gladiator, and culminate in a climactic duel with Yuujirou, ending in uneasy mutual respect. Baki’s innovations include harnessing endorphin release through precise ear manipulation to mute pain and awakening his hereditary demon back, yet he consciously rejects his father’s brutality, valuing integrity over merciless victory. Alliances with fighters like Doppo Orochi and Retsu Kaioh underscore his reverence for varied combat ideologies. Ultimately, Baki redefines strength as a force beyond raw dominance—forged through resilience, inventive adaptability, and the relentless pursuit of surpassing human boundaries.