[No romantic pairing + a comprehensive overview of the universe + no main character + a shocking spectacle across all realms + a chaotic hodgepodge]

The celestial canopy descended upon all realms, causing all the heavens to tremble!

Warhammer 40,000: The Imperium of Man is dying in the Galactic Blood War, the Emperor sits on the Golden Throne in vain, Primarchs betray him one after another, and the Chaos God whispers! Loyalty and betrayal weave a tragic epic!

Lord of Mysteries: In the mist-shrouded steam age, mortals pilgrimage to godhood by consuming potions! The struggle for the order of things twists madly, the Great Old Ones awaken silently, and the countdown to the apocalypse has begun!

Mysterious Resurgence: Ghosts and monsters have resurfaced globally, and vengeful spirits have brought a new rule of killing! Mortals fight ghosts with ghosts, harnessing evil spirits to seek a glimmer of hope! Who are the ghosts? Who are the humans? Despair spreads across the globe!

The audience across countless worlds went completely mad: "A world even more sanity-destroying than Warhammer has appeared!" "The potion pathway is more terrifying than Chaos Corruption!" "The Ghostly Rule System is unsolvable? Can the Bolt Gun solve it?" "These worlds are more insane and desperate than the last!"

When the Astartes of Warhammer encounter the mysterious Sequence Path... When the Emperor of the Golden Throne gazes upon the mysteriously resurrected vengeful spirit... Who will be the darkest and most despairing world in the universe?

In the year 1340 of the Shire Reckoning, one year before the departure of the Lonely Mountain expedition, the Grey Wizard had yet to visit the Shire, the Dwarf King was still forging weapons in the Blue Mountains, and the dragon still slept deep within the mountain…

In that very year, a young wizard unexpectedly crossed into Middle-earth, carrying the Hogwarts Sign-in System.

Overnight, Hogwarts Castle rose from the ground, standing tall and majestic on the lands of Middle-earth; flying broomsticks streaked across the skies, becoming a unique sight in this world.

In the wild lands, the legend of a black-robed wizard began to spread silently.

He was a friend of the Elves, a bane to the Orcs, a nightmare to the Trolls, and the lifelong nemesis of the Dark Lord Sauron.

Years later, when the Dark Lord was defeated, the Elves sailed West, and the Age of Men began—Duir, who had signed in at all corners of Middle-earth, looked toward the fabled lands in the West.

[Location: Aman. Would you like to sign in?]

As a time traveler, Agares decided to stay away from Hogwarts after graduating, fearing he'd be caught up in the dangerous situation. However, his thoughts changed after he struck a deal with Arceus, the Pokémon God. Chosen by Arceus as a Pokémon ambassador, Agares decided to start promoting Pokémon among the more receptive wizarding community. Five years after graduation, Agares returned to the magic school, this time as a professor.

Forming a bond with a woman will earn you rewards; forming a bond with a noble woman will earn you even more rewards.

Having experienced two consecutive time travels, Li Zhihui finally awakened his system, but he ended up with an unorthodox one.

"So, it's really not that I'm promiscuous, it's just something that can't be helped."

...

Elements: [Extensive use of internet memes] [Highly charismatic paladin] [Semi-invincible build] [Pseudo-D&D setting (primarily based on the game's world view)]

The following worlds have been confirmed: Baldur's Gate, The Witcher, Cyberpunk 2077, and Hogwarts.

Travel back in time to 19th-century Greece and witness his rise from a small Balkan nation. Lead Greece to its great ideals, restore the glory of Rome, and make the name of "Rome" known from Ireland to Khitan! And this is Constantine, the only sun of the Balkan Peninsula, the heir of Komnenos, the second Aristotle, the world's restorer, the Turkic butcher, and the loving father of the Roman people: Rome has only one chance to be revived. If you don't seize it, then let me do it!