Time Travel: Start with a Snake, Upgrade by Swallowing

I, Li Yuan, a new young man in the 21st century, was struck by a bolt from the blue and traveled to another world. "Ding - Congratulations to the host for awakening the Snake System. Obtained the skill Swallow. This skill can convert the swallowed spiritual energy into its own spiritual energy according to a percentage. The conversion percentage increases with the level." "I have obtained the limited-time item Divine Beast Inner Elixir, which is limited to one minute. Do you want to use it?" "Evolution is successful, swallowing skills are upgraded, and the conversion rate is increased to 10%." "Evolution is successful, swallowing skills are upgraded, and the conversion rate is increased to 20%." "Evolution is successful, swallowing skills are upgraded, and the conversion rate is increased to 40%." Upgrade step by step and see how I can play around with the system and dominate the world! This novel and its characters are purely fictitious. Any similarity is purely coincidental and should not be imitated.