In which Pokémon did Billy subdue Cosmom?

Answer 1

" When Billy Becomes an Elf Master " is a light novel by the author, Three-Star Fire Dragon. It is a derivative Doujinshi novel. The general plot of this novel is as follows:

The Elven Master Tournament was also known as the Battle of a Hundred Years. It was to determine the strongest trainer in a hundred years-the Elven Master! [Competition condition: Defeat six champions!] 18 attributes, 18 battles, Fire-type Fire-Breathing Dragon, Flying type Biggie Bird, Evil type Bankiras... This time, Billy finally sent out all his main forces! As they fought, Billy realized that once he lost, the world would...? The main character, Billy, was set to be the main character of the animation after two years in the Arora area. Also, Zhu Xiaozhi had finally won the championship!
----------------------------
The Wisdom of Pokémon was a light novel by the author, Monk Doesn't Believe In Evil. The general plot of the novel was:

When he woke up, he was reborn in Zhenxin Town. There was a neighbor named Damu, a mother called Beggar, and a younger brother called Billy. After being reborn in the Pokémon world, he had wanted to travel the world at the age of ten like his younger brother. However, looking at his tired mother, Zhihui chose to embark on the path of research. He was five years late before he set off with his younger brother. Fortunately, these five years had not been wasted. The youngest student of Dr. Oki, the youngest doctor of the Elf Alliance, the most beloved brother of the Kanto Ice King Kena, the most trusted friend of the Fighting King…Everything started from Shinshin Town, the newcomer's new book, the recent review of Pokémon, and the memories of childhood...
----------------------------
" Fairy Science: Pikachu's Journey to Godhood " was a light novel by the author, Lost Tree. The general plot of the novel was:

The titles of the books were " I'll Adventures with Billy in the Pikachu Transformation "," Elf Science: The Journey of the Pi God "," Pikachu Doesn't Change People "," The Love Line is Friendship "," Mainly Talking about the Connection between Elves and Trainers ", and " The Main Plot is Pokémon World ". This was the story of transmigrating into Pikachu, traveling with Billy, and broadcasting it to the blue planet. On the blue planet, the humans who were originally prepared to start a war with the magical beasts suddenly saw a live broadcast room from another world. In Pikachu and Billy's constant adventures and travels, they began to tell stories and establish a bond with countless elves, letting the people of the Blue Planet realize that magical beasts were not evil. " Look," the people on the blue planet said." This is stinky mud. They are working hard to purify the sewage.. "Wow, is this a divine beast? This is too handsome and too powerful!. " God Pi is obviously cuter. It's better to look at Pikachu!. " Billy, you can do it! You must become a Pokémon Master!. On the battlefield. Billy's lips curled up. He flipped his hat around and said excitedly," Let's show them our bond. It's decided to be you, Pikachu!"
----------------------------
" Xiao Gang of the Elves " was a light novel by the author, Poison of the Resurrected Grass. The general plot of this novel was:

This time, Xiao Gang wouldn't travel with the little retard. He would use his own method to rule the entire Pokémon world. At the same time, in this book, many new settings will be added to the already known animation plot to perfect the setting of the entire Pokémon animation. Moreover, there would not be many settings in the game, such as Race Points, the limit of four skills, and so on. The characteristics would not be as specific as in the game. Instead, it would be like Little Zhi's Flame Monkey, an ability that could stimulate one's potential. Of course, the same went for his personality. Of course, there are many new settings that you can find in the book!
----------------------------
The book," Little Game of Pokémon ", was a light novel by Totoro Doll. The general plot of the novel was:

He came to the world of Pokémon and became Billy's twin brother.
Relying on his knowledge of Pokémon, Xiao Yi decided to make a name for himself in the world of Pokémon.
There was no system in this book, only relying on one's own strength to subdue all kinds of magical treasures.
----------------------------
Pokémon: I'm Just a Scientist was a light novel written by the author, Golden UFO. The general plot of the novel was:

Ah Ping was originally just an ordinary householder. After her father's introduction, she accidentally met her first partner, the snake bear, on her way to work at the Ota Maki Research Institute. Since then, she began her journey with Dr. Pokemon as her goal. But... Why did I somehow manage to collect all eight badges? And why am I standing on the battlefield of the Caiyou Conference? Apin pondered and directed the bear to smash the opponent's Benjilas. P.S. Pure elvish, Pokémon Doujinshi, walking the world view of animation.
----------------------------
Ultraman in the Marvel World was a sci-fi time-travel novel written by the author, Stardust and Old Dreams. The general plot of the novel was:

Mo Ye, who was born in the Marvel movie world, accidentally obtained the treasure Holy Sparkle. The Holy Sparkle contained dozens of giant stone statues. They were sucked into the Avengers Alliance and fought side by side with the Avengers. They activated the Oort warriors one by one and revealed the huge secret hidden behind them.
Who was the hunter? Who was the prey? What was the Holy Spark?
The puzzle that lingered in Mo Ye's mind could not be removed. How did the previous two Sparks wielders disappear? What kind of story would the Holy Sparkle go through if it passed to Mo Ye?
…
As time passed, the sun streaked across the sky like a meteor. The avengers surrounded Mo Ye as he stood in the rain and stared at the sky.
Saul, you should lose weight." Mo Ye said with melancholy.
----------------------------
Pokémon: The Fifth Heavenly King was a light novel written by the author, cm cm. The general plot of the novel was:

With the goal of becoming the fifth heavenly king of Pokémon, the road to dominance began. Pokémon trainer Ah Mo, with a golden finger, has crossed into the Pokémon world. It has been decided that it is you, little fire dragon! Growing up together with Pokémon, the road of companionship is happy and blissful. The world of Pokémon is exciting, but the road to becoming the fifth king of Pokémon is very long. Let's go! Ah Mo!
----------------------------
" Pokémon: Getting Lightning Birds at the Beginning " was a light novel by the author, Fei Dao. The general plot of this novel was:

[Pokémon + Pokémon + Pokémon] missed out on the Three Royal Families at the beginning of the game, but received a god-level lottery system. At the beginning of the game, he drew the legendary magical treasure Lightning Bird. From then on, he embarked on a path to subdue rare Pokémon and become the number one in the Alliance.
----------------------------
The Pokemon's Strongest Evolution was a light novel by the author, Pikachu, who had evolved. The general plot of the novel was:

The strongest evolution of Pokémon, Xiao Le, who dreams of becoming a Pokémon Master. While subduing the little sprite, he was also searching for the secrets of super-evolution. One by one, he defeated the strongest Mage in the dojo and became a Pokémon Master. Gulado had used the Broken Cliff Sword, but it had no effect on Bobo. Don't be afraid. Gratton has also learned sword dancing, roaring, and sleeping. Uh. Green caterpillars would not evolve into Space Splitters. Although they were all green, no one's hat had evolved into a Space Splitter. During the journey, they discovered the secret of the Rockets 'attempt to rule the world. This was the contest between super evolution and fettered evolution. Whether or not they could crush the Rockets' conspiracy, what kind of bizarre and twisted story would happen to Xiao Le and his partner, and the strongest evolution was about to appear.