In the MCU/Marvel with the Omnitrix/Ultimatrix - Chapter 12: Fall of the thunderer

Echoes of the Lost Elf – Back Cover SynopsisA legend long forgotten. A war long past. A magus who vanished into history.A thousand years ago, Historias Everglen, the greatest magician to ever walk the earth, mysteriously disappeared after leading the world to victory in the First War against the Void. The high elf, creator of Castellas Academy, the most prestigious magic institution, faded into myth—his name spoken only in whispers, his fate unknown.But history does not stay buried forever.When a group of young students, lost in the Everglen Forest, stumbles upon an enigmatic figure in the heart of the ancient woods, they unknowingly awaken an echo of the past. Unrecognized, Historias decides to return to his own academy—not as its master, but as a student. Beneath his youthful guise lies an immortal being who has spent a millennium mastering magic, swordsmanship, and alchemy in solitude.As shadows of the Void begin to stir once more, the world stands on the brink of another catastrophe. Enemies rise, secrets unravel, and forgotten legends take their place in the present. But one question lingers:Will the world recognize its lost protector before it’s too late?

A man dies in a plane crash from a supposed terrorist attack. A mysterious... Devil reincarnates him into a new world and gender bends him into a female.

It looked to be your standard fantasy world at first, but as Arpious traverses farther into her journey, she finds out that she might not be on a planet.

She discovers many secrets that are unknown to her fellow monsters, through the help of her comrades, wives, and even enemies?

She learns that the sky is fake? There are worlds right under her world? How is that even possible?

Spirits instead of gods? Where the heck is she?

Luo Zheng is at the bottom of the Luo Clan hierarchy, despite his family being the founders of a power refining technique that could instantly defeat any opponent.

One night, enraged by unfair treatment from a family steward, Luo Zheng burns the family records. In doing so, the hidden magic in the book engulfs him and Luo Zheng becomes a new skilled fighter. Fleeing his home and despicable clan, Luo Zheng must learn to harness his powers to rescue his younger sister while his own cousins are on his pursuit.

- Description from Novelupdates

In the Canglan Continent, there existed a rule: only those who managed to awaken a Martial Spirit were able to pursue the path of cultivation, and a Martial Spirit’s rank was determined when it was awakened. Born in Linshui City, Qin Nan was a peerless genius who possessed great talents and was highly anticipated to become a great cultivator in the future. However, things changed when he ended up awakening the lowest-grade Martial Spirit, resulting in him being considered trash.