Naruto: Bound to Heavenly Flames, Fourth Hokage's Sworn Brother

Reborn in Konoha thirty years before the main story, Uchiha Xingyan expected to awaken the legendary Sharingan—instead, a mysterious otherworldly flame ignited within his soul. This ethereal fire burns with contradictions: freezing cold yet capable of reducing anything to ash, dormant yet alive with its own will. While his peers struggle to refine chakra, his flames churn it automatically into something purer, stronger. As Minato Namikaze perfects the Rasengan, Xingyan experiments with using celestial fire to forge his very chakra pathways. The Uchiha bloodline stirs. The flames whisper secret…