After the Lord of the Rings Can Talk, He Complained About My Lack of Education Every Day.

The protagonist (Lin Yue) accidentally traveled through time and awakened the Devouring System and the Sky-Swallowing Ring when he was on the verge of death. Starting from the "edge wasteland" of the world, he relied on his "devouring" ability to break the rules, gradually uncovering the truth of the world and the secret of his own time travel, and finally became a "World Devouring Walker" across all realms.