Hak is a tall and well-built young man with striking features that complement his powerful and commanding presence. He has short, messy black hair, sharp blue eyes, and a confident smile that reflects his sarcastic and teasing nature. His muscular physique and agility make him an imposing figure in battle.

Hak typically wears practical warrior attire, consisting of dark blue clothing layered with a black coat and arm guards. His outfit is designed for mobility and protection, suiting his role as both a warrior and bodyguard. The practicality of his clothing contrasts with his easygoing personality, reflecting his readiness to fight at any moment.

Hak is a sarcastic and nonchalant individual with a sharp wit and a penchant for teasing those around him, particularly Yona. Beneath his playful exterior, Hak is fiercely loyal and protective, driven by an unshakable sense of duty and responsibility. Despite his apparent carefreeness, Hak is deeply perceptive and thoughtful, often putting the well-being of others above his own.

Hak’s feelings for Yona have existed since their childhood, though he initially suppresses them out of respect for her position and his friendship with Soo-Won. After Soo-Won’s betrayal, Hak becomes Yona’s steadfast protector, risking his life to save her and later accompanying her on her journey to find the Four Dragon Warriors. While initially overprotective, Hak grows to respect Yona’s determination and strength, ultimately taking pride in her growth as a warrior and leader.

Hak also struggles with emotional scars from Soo-Won’s betrayal, having once envisioned his life as serving both Yona and Soo-Won. His loyalty to Soo-Won and the Wind Tribe made the betrayal especially painful, leaving Hak grappling with feelings of hurt and anger. However, over time, Hak begins to forge new bonds with Yona’s group, learning to trust others and realizing he is not alone in his mission to protect her.

Childhood and Early Role
Hak grew up in the Wind Tribe, raised by his adoptive grandfather, Son Mundok, the tribe’s former chief. As a child, he befriended both Princess Yona and Soo-Won, forming a close bond with the two. Hak’s dream was to become Soo-Won’s right-hand man once he ascended the throne, and he resolved to serve both of his childhood friends.

At the age of 15, Hak was appointed General of the Wind Tribe and Yona’s bodyguard by Emperor Il, a role he accepted with pride and devotion.

Soo-Won’s Betrayal
Hak’s life changed drastically when Soo-Won betrayed Yona by murdering Emperor Il and usurping the throne. Forced to choose between his loyalty to the Wind Tribe and his duty to Yona, Hak chose to save her from imminent danger, fleeing Hiryuu Castle and bringing her to the Wind Tribe for protection. Rumors spread throughout Kouka that Hak had murdered the emperor and kidnapped Yona, forcing him into the life of a fugitive.

Hak initially planned to part ways with Yona to ensure her safety, but her determination convinced him to accompany her on her journey to find the Four Dragon Warriors.

Journey with Yona
As Yona’s companion and protector, Hak serves as both her mentor and shield. Though reluctant at first, he trains Yona in archery and self-defense, helping her grow from a sheltered princess into a capable warrior. Along the way, Hak forms strong bonds with the other members of Yona’s group, particularly the Dragon Warriors, whom he initially distrusts but later considers allies and friends.

Hak’s role in the group extends beyond physical protection; his sarcasm and humor often lighten the mood during tense moments, and his unwavering loyalty serves as a source of strength for Yona and the others.

Martial Arts Mastery
Hak is a highly skilled martial artist, known for his speed, strength, and precision in combat. His fighting style emphasizes powerful, fluid movements, allowing him to overwhelm opponents with ease.

Guandao Mastery
Hak wields a guandao, a Chinese polearm, with exceptional skill. His ability to deliver powerful swings and swift direction changes makes him a formidable opponent on the battlefield.

Tactical Intelligence
Hak’s experience as a general and bodyguard gives him a strategic mind, allowing him to analyze situations and devise effective plans.

Agility and Reflexes
Hak’s speed and agility make him one of the most elusive and adaptable fighters in the Kingdom of Kouka.

• Yona: Hak’s loyalty and devotion to Yona are unwavering. While his feelings for her are initially unspoken, his actions reflect his deep care and love. Over time, Hak grows to respect Yona’s strength and independence, taking pride in her growth.

• Soo-Won: Once Hak’s best friend, Soo-Won’s betrayal left a lasting emotional scar on Hak. Despite his anger and resentment, Hak struggles with conflicting feelings of loyalty and betrayal.

• Wind Tribe: Hak’s bond with the Wind Tribe, particularly Son Mundok and Tae-Yeon, remains strong despite his status as a fugitive. The Wind Tribe continues to support Hak and Yona when needed.

• The Dragon Warriors: Though initially wary of the Dragon Warriors, Hak comes to see them as trusted allies and even develops a sibling-like camaraderie with Jae-Ha and the others.

Hak represents themes of loyalty, strength, and personal growth in Akatsuki no Yona. His transformation from a loyal general to a fugitive protector underscores his resilience and unwavering commitment to Yona. As the “Thunder Beast,” Hak embodies the ideal balance of power, strategy, and compassion, leaving a lasting impression as a beloved and pivotal character in the series.