great book teaching historical fiction

Lin Yuan, carrying the "Door to Myriad Worlds," transmigrated into the Great Universe of the Starry Sea. Here, the mightiest could obliterate star systems with the flick of a finger, and traverse millions of light-years in an instant. As a bottom-dweller, Lin Yuan could only rely on the "Door to Myriad Worlds" and his innate talent, "Against-Heaven's Understanding," to travel through countless worlds, silently growing stronger. 【Your Against-Heaven's Understanding allows you to cultivate the Muscle-Tenden Transformation Bible, comprehending the 'Muscle-Tendon Transformation Blood Tempering Divine Technique'】 【Your understanding is Heaven-Against, upon extending your comprehension to the Thunder in the Palm, results in the mastery of the 'Thunder Creation Opening Technique'】 【Your understanding is Heaven-Against, while observing the birth and death of worlds, leads to the insight of the 'World in the Palm'】 【Your understanding is Heaven-Against,, through studying the art of external incarnations, culminates in the 'Self-Transformation Great Technique'】 ...... In his unending travels, Lin Yuan ceaselessly grew stronger, until... he was unrivaled across all worlds.