MTL - I’m Not Shouldering This Blame - Chapter 77 confusion

Reborn as a sword, he lived for hundreds of years, and then he occupied the body of a 15-year-old prince.

Wang Yi gets a key, opening a door in 2022 will lead to 1982, and opening a door in 1982 will return to 2022.

Two very different great eras appeared before him:

Abundant dietary protection, developed industrial products, miraculous medicines, and explosive information, this is 2022.

Simple folk customs, rich wild resources, scattered antiques, and treasures of the age, this is 1982.

Traveling between these two eras, Wang Yi didn’t think much of it, he just wanted to live a good life.

- Description from novelbuddy

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.

“Classes” are given at the age of 10, and the presence or absence of “skills” greatly affect life. Arel, the son of “Sword Princess” Fara and “Magic King” Leon, has been branded as “Classless”… But even without a job or skills, Arel believes he can persevere through effort.