Being Bitten by a Snake in the Ordinary World, Transforming into a Dragon Body in Another World

The modern young man Zhao Xiaochuan was bitten by an accident and transformed into a snake through time. In another world, he used modern knowledge to make grenades to save his life, and used mortars to attack sects... Only by cutting off the small lantern above his head could he travel through the gate of time and space and travel between different eras. This is a fantasy novel that combines time travel, cultivation, adventure and love!