Similar to The First Immortal

How these recommendations are computed

Each series below is matched against The First Immortal by Bruce Sentar using a similarity score that combines shared genres (Cultivation, Isekai/Portal Fantasy, Progression Fantasy), shared themes (OP MC, Harem, Dark, Fast Paced, Cultivation, Portal Fantasy, Kingdom Building, Reincarnation and 4 more), and contributor overlap (same author or narrator). Results are ranked by the total overlap; the strongest matches appear first. Every recommendation is itself a complete series — no cliffhangers.