How many chapters should one write in a story?

"A Villainess should be strong," she thought as she vaporized an entire lake. The day Estelle Clareste was born, she already had the memories of Kirisaki Reina, a 21-year-old woman living in modern Japan. From a Villainous Duke's daughter, to the world's leader, and suddenly a Goddess?! Estelle's past, was it as simple as she first thought? Or was there something more lurking behind? Will she achieve her goals, or will she meet her downfall before that? -Photo not mine, I found it on Pinterest ^^-

A young man reborn into his favorite world. He was granted some request after his death, but the problem was that the granter had no control over how those request were to be granted. Watch as he grows from a single boy in the dark to a protector who wishes to light the path forward for the magical world one step at a time. ———— I just couldn’t read other fanfics cause this idea just kept ringing in my head. It’s my very first time writing or posting anywhere. And I obviously don’t own any of the settings, but so what? I’m doing cause I felt like it and for the fun of it.

Dropped. Don't read this. *** Various monsters came out from mysterious gates that appeared all over the world. Along with this incident, humans also gained power and were called hunters. Radmilo Laiv is a hunter with the power to control time. He spent his life serving the world government and becoming a hero. However, he was killed because his power was considered a threat to the government. It was a stroke of luck that Radmilo could return to the past because of his powers. In this life, he doesn’t want to be a hero anymore. Should he play the evil role and become a villain? *** The cover is mine, commissioned by @erminea_ on IG 暂停。

Jackson Pryde was an ordinary ten-year old boy from an extraordinary world (MCU/Marvel), but during an alien invasion in New York City, he fell into a void and was sent to another world by the One-Above-All, with three of his classmates getting dragged along for the ride. With his system that the One-Above-All gave to him, Jackson retains himself while transforming into Death, while his classmates become War, Fury, and Strife, and are all sent to a world called Remnant. The first step of Death's epic adventure begins. Volume 1 : Death in Remnant Volume 2 : Darksider in Star Wars Volume 3 : Nephilim in the Pokémon World (Kanto)

Reborn Flames, a writer, who's known for his shitty novel, ‘The world of trials’, found himself stuck in his prologue. Not a writer’s block. Actual stuck as in real life stuck in his novel. Everything seem to go well yesterday, he was offered an adaptation for his novel, and a big interview was arranged by his company. But when he opened his eyes, he awaken to see a white room, and he mistakes reality for some sort of dream

Jing Ling, an 18-year-old girl that was born with a heart disease has lived her whole life growing up at a hospital. She has always dreamed of going on adventures, maybe that's why she loves to read fantasy novels in her spare time. But, when her disease suddenly worsens and passes away, Jing Ling finds herself reborn into another world, a place where cultivation and martial arts exist. However, when Jing Ling turns 15 years old, she is forced into an engagement with Crown Prince Huan Ying. "Leave me alone! I already said I won't marry you!" "Hmph, I don't want to marry you either but as a Prince, I can't let my fiance run away like this." "Just pretend you didn't see me. Now shoo." "No." "@#%$@#. I thought Princes are supposed to be gentle! Why did I have to end up with an ice block like you?!" P.S: I found the cover online and don’t know the original artist. All credits for the beautiful picture goes to the original creator! <3 It’s my first time writing so thanks for even clicking on my story <3<3. I'll try my best to post as often as I can ''>.<''