MTL - Marvel’s Disassembler - Chapter 127 sail!

Song Yan, a senior high school student, lost his parents when he was a child. Before obtaining a mysterious and amazing ring, he has been often plunged into a vulnerable position and easily marginalized. However, his life is changed because of the cryptic ring.

- Description from Novelupdates

Memories shape who we are—they define us, anchoring us to our pasts. They are like videos, playing endlessly in our minds.But everything changed one day when people began to relive their memories. However, it wasn’t the pleasant ones that resurfaced. Instead, they were forced to experience their worst moments—or even memories that weren’t their own.Those who managed to survive this haunting experience found themselves watched by strange creatures, and in turn, were granted their powers.As if the world weren’t already thrown into chaos, these same bizarre monsters began to manifest on Earth, threatening humanity with the very real prospect of extinction.Amidst this upheaval, a small, seemingly insignificant beast was born. But it quickly rose to power, only to be betrayed and killed in a cruel twist of fate. Or so it seemed—because somehow, the beast found itself reborn in the body of a human.

Cain was an ordinary boy who loved creative works, especially when it involved anime and games. Suddenly, he found himself in a strange space with an extraterrestrial creature, a cosmic horror called Bishop that he couldn’t explain in words besides scary.Given the authority of a King, he was tasked to create dungeons in the multiverse in order to change his future. He had been turned into the Dungeon Maker. The more known his dungeon was, the stronger he became!Rias: What are you? A Devil?Dante: Now, now. What are you? Wow, I drank too much. Look at her, a sexy devil.Zoro: Where am I? Is that a sea monster? Good, I will bring meat for Luffy.Helldiver: For Democracy!!!All worlds became connected due to the dungeon. However, don’t worry!Everything was under his control.

What got summoned was the world’s strongest sociopath.