Wuying Ren, known as Ren of Heavens, commands the Aberdeen-based gang the Heavens with a blend of charisma and shrewd distrust. Introduced as a self-interested antagonist driven by greed, his journey pivots to reluctant ally, anchored by tactical brilliance and a signature flair for rigged gambling. Clad in a winged horse-emblazoned blue jacket, white bandana, and long ponytail, Ren’s 175 cm frame belies his lethal prowess with knives and martial arts.

His initial clash with Ryo Hazuki sparks when Ryo seeks intel on Yuanda Zhu. Ren demands $500, testing Ryo’s mettle with a sudden knife strike—evaded only through quick reflexes. Impressed, Ren directs Ryo to a Yellow Heads warehouse, exploiting the chaos to pilfer funds while Ryo battles enforcers, cementing their alliance of convenience.

A rooftop pursuit through Lucky Plaza ends with both tumbling onto a van, where Ren uncovers Ryo’s Phoenix Mirror and vengeful quest against Lan Di. Intrigued by Chi You Men’s wealth, Ren allies deeper, surviving Kowloon captivity handcuffed to Ryo, escaping via Wong’s aid. His cunning surfaces in manipulating Ryo for intel, yet flickers of loyalty emerge.

Ren later distracts foes during Ryo’s infiltration of the Yellow Head Building to rescue Zhu, confronting Dou Niu and Lan Di’s forces to secure Zhu’s escape. Subsequent exploits reveal his shift from opportunism to self-sacrifice: swapping a fake Phoenix Mirror to deceive Lan Di, shoving Ryo from a fiery collapse. The anime amplifies his empathy, intervening in Ryo’s reckless vendetta and steadying him during confrontations.

Hints of a Mongolian horse tribe heritage linger beneath his guarded past. Bonds define him—brotherly rapport with Wong, rivalry with Dou Niu, contempt for Yuan. His duality weaves mischief and compassion, epitomized by gifting Hongji to spark joy. From calculating thief to indispensable ally, Ren’s evolution intertwines personal ambition with burgeoning loyalty, etching a legacy of strategic wit and unexpected valor.