Rebirth: Exclusive Love in the End of the World - Chapter 182: The Attacker

On an ordinary day, Lucius stumbled upon a strange, run-down shop. At first, he assumed it was abandoned—until he stepped inside.[You have entered the Universal Alchemy Store.][Congratulations! You are now the store’s owner.][Please craft your first potion.]Lucius blinked. 'What kind of joke is this?' But as if guided by an unseen force, he followed the instructions. Minutes later, his first creation was complete.[Love Potion: The drinker will fall in love with the first person they lay eyes on.]Lucius swallowed hard. 'Wait… does this actually work?'Before he could process it, the shop’s door swung open.Standing in the entrance was no ordinary customer—she was an elf. Long, pointed ears, mesmerizing green eyes, and a body sculpted by the gods. A visitor from another world.A dangerous thought crept into his mind.'Should I test it on her?'

One day, Luo Jian woke up from his sleep and found himself in a locked chamber where the door and window were all sealed. A note with a few lines written on it was tacked to the wall: “Escape from this room within an hour, otherwise, you will die.”

There is a sequel called Reincarnation Night (轮回之夜) that takes place in the same universe but has different main characters

- Description from Novelupdates

I am Master Siwei, and I speak for arcane arts.
This is an era of heroes and heroines.
This is an era of great changes.
In the end, it will be an arcane era opened by me.

- Description from Novelupdates

Prometheus, the infinite fortress of time, a crossover point for the infinite worlds of machine wars, Our protagonist, Xiao Ran, was put into great pressure due to having only attributes that do not exceed 10, making him as weak as a chicken. But being familiar with the storyline of each mission world, Xiao Ran exclaimed that the world would be his.

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Mission world: “Gundam SEED” -> “Macross F” -> “Gundam 00” -> “Ultimate Mission” -> “Kakumeiki Valvrave”-> “Gundam 0079” -> “Gundam Seed Destiny” -> “Super Robot Wars OG”

- Description from Novelupdates