In the early online novels, the protagonist's pet was sacrificed while helping the protagonist's gang accept the monster siege mission. It was said that the pet could also attack the group.

I don't think it will meet your needs, but I will try my best to recommend a novel that is most relevant to your description." Peerless Pet " is a novel written by the author, Wan Mei. It is a virtual online game novel. The general plot of this novel is: "I have a few good friends who used to be noobs. One of them is called King Kong, a gift from the system. It used to be the worst pet in the world and relied on me for survival. Now everyone calls it Brother Gang. One was called Lightning, the most ordinary Level 1 Tiny Treant in the Novice Village. It worshipped me and came to my side. It used to be lonely in the Novice Village, and no one was willing to look at it. After coming to my side, it talked a lot. Now, it and King Kong have become my left and right arms, my most important support pets. As long as Lightning doesn't die, my whole family won't die! There was also one called Blizzard. It was an ugly duckling. No one knew that it had the bloodline of the divine bird. I raised it like an ordinary bird. As I raised it, it mutated. Now, it is the most beautiful woman in the pet world, Sister Snow. With her around, if I want you to die, you can't escape. Sister Snow is so domineering when it comes to control! I can already fight five pets at the same time, so I'm recruiting more companions. I'm not picky when it comes to choosing companions, but I have a small request. I don't care about anything else. Peerless pets, if you're qualified, please come to my side! ---------------------------- " The Legend of Dark Night City " was a virtual online game novel written by the author, Land Rover Is a Cat. The general plot of the novel was: An ancient legend, a mysterious ancient city, an unprecedented power… After his account mysteriously disappeared, Jiang Ye was on the verge of collapse again. The tanks in the front row were like old dogs, the vanguard warriors rowed the boat without relying on the oars, the rear row output was a lone wolf, the team commander was obsessed with beauty, and the only healer was obsessed with output... What kind of stupid teammates were these? Yet, he was a non-chieftain. What kind of role did he draw… There could only be one winner among a thousand people and a hundred teams! Everyone had low stats, so how could they still play the game properly? ---------------------------- " Doomsday Pet Legion System " was a sci-fi and doomsday crisis novel written by the author Starry Night. The general plot of this novel was: Doomsday had arrived, and Wu Chong had unexpectedly obtained the future Pet Army System. But why was the first pet the hilarious husky? " I don't care. My goal is to fuse with the divine dragon!" Wu Chong thought so. The System Notification said,"Please take note that not only animals can become pets, but plants can also become pets!" ---------------------------- " The Daily Pet Game " was a fantasy novel written by the author, Gu Jie Shen Xiang. The general plot of this novel was: [Main Mission: Protect your pet shop.] Ever since he had accepted the main mission, Ye Xiaotao had discovered many strange things. First, humans could sign contracts with pets. Then, many pets hurt people for no reason. Then, all kinds of pets went missing… What was even more outrageous was that many small pet shops were inexplicably raided at night, and the largest pet breeding base in Star City actually caught fire… Ye Xiaotao was so scared that he quickly opened the game panel and used [Strength Card],[Speed Card],[Advanced Card],[Ability Card], and [Weapon Card] to activate the skill bonus of his pet Little Seven… In the face of absolute strength, the pet shop was finally saved for the time being… Unknowingly, a brand new era had arrived. While everyone was going crazy, Ye Xiaotao looked at the game panel calmly. After all, he had already participated in this brand new era. Ye Xiaotao felt that in this new era, there was no need for nonsense. ---------------------------- " All the Vicious Disciples " was a novel by the author, Turkey Meow. The general plot of this novel was: Fairy Qingyun had reached the Nascent Soul realm, so she could take in disciples now. He raised one disciple after another and nurtured them with all his heart to gradually become big shots. Then, when she was ready to recuperate and enjoy her life…the little brats actually jumped out and said that they wanted to kill her… ---------------------------- The Pet King was a novel about urban life written by the author Jie Po. The general plot of the novel was: [1. Downloading a suspicious game][2. Capture a few magical pets as companions][3. Lead the pet shop on the road to prosperity in a relaxed and interesting daily life]###Physical book 1-3 volumes have been published. They are available for sale on major e-commerce sites ###Reader group: 513717593VIP group: 567288256. ---------------------------- " Let Go of That Divine Beast " was a virtual online game novel written by Virtuoso V, and the general plot of the novel was: Novice pet? To a true European King, it was a divine pet that could be nurtured from the ordinary level to the legendary level! Elder Cat's Luck was 999, and he only needed to roar to capture his pet! This was a hot-blooded story of a cat slave who formed an all-cat spiritual pet team called " There's always a troublemaker who wants to harm me ". They explored the Beast God Continent and completed a legendary mission. They punched the number one expert and trampled on the number one guild. They advanced triumphantly…Then I'll take a nap to lower my pressure. Alright, this was actually the story of Elder Cat relying on his 999 Luck to fight monsters all the way. [ps1: Western fantasy background. The pet data setting is based on Pokemon. How many pets does the protagonist have?] [Spoiler: Stage 1 player flow, stage 2 NPC flow, stage 3 boss flow…don't enter if you don't like it.] Ps2: 2-3 updates per day, depending on recommendations and favorites, please support! ---------------------------- " My Pet is a Boss " was a game novel written by Zhuge Wanjun. The general plot of the novel was: An accident caused Shen Fei to enter the game early. Shen Fei was kicked out of the game again just as he was about to show off his skills after establishing a good relationship with the various NPCs. The game had been running on its own for a hundred years. After the game officially went online, Shen Fei was shocked to find that his pet, Fat Tiger, had become one of the Four Divine Gods, the White Tiger Heavenly Venerable. The young man who had been saved by the roadside had become the Lord of the Holy City. The whole world seemed to be different. There was also an excellent old book," Why is it the Divine Scourge Again?". If you like it, you can go to reader group 1:232093723, reader group 2:300236467. Everyone is welcome to join. ---------------------------- " Online Games: Defying the World " was a virtual online game novel written by the author, Throbbing Cat. The general plot of this novel was: The main character, Sun Xingzhi, was an experienced gamer with his own gaming studio. In the Night server, he looked at the corpses everywhere and felt a chill in his heart. A guild of nearly a thousand people had been slaughtered by the enemy, leaving only three. These three people were also quite skilled. Thinking back to how he had single-handedly snatched the Guild Building Order from thousands of people, and looking at his current situation, he felt very uncomfortable. After being killed by the other guilds, he regretfully withdrew from Night. No matter how skilled he was, he still could not defeat the power of the Dollar Warrior. However, quitting did not mean the end of his gaming career. The newly opened Moon Breeze was even more popular among the netizens. He was determined to put an end to all heaven-defying equipment. All the equipment had to be dropped from the big BOSS, attracting a lot of people, including professional players like Sun Xingzhi. As soon as he connected, he opened the character setting page. He felt dizzy. What did he mean by setting it himself? His race was a god race, and his divinity was a god of war. He was truly an all-rounded class type, and he could even learn all kinds of skills. There were no restrictions on the class, which made him happy. In the novice village, they met their brothers from the previous guild, so they decided to advance and retreat together and level up together. There were many rabbits in the novice village, and they could get experience by killing rabbits. They excitedly attacked the rabbits, but they didn't expect that this rabbit was not simple. It actually had armor. It was too ridiculous. This was not a rabbit, it was simply a wild boar wearing wolf skin. Sun Xingzhi remembered that he had the War God talent and it would be a waste not to use it. He attacked the rabbit with a strong attack. With a bang, a lot of experience fell to the ground. It seemed that the War God was not simple. He picked up his sword and slashed at the Golden Rabbit. He did not expect that the Golden Rabbit would lose 5% of its HP with this slash. This was unheard of. It was a miracle that a newbie could actually defeat a Yellow-Gold BOSS. Let's see Sun Xingzhi join hands with his sister and bring his brothers to fight against the world! ---------------------------- " Online Game Spirit Trainer " was a novel written by Ember Fallen Leaf. The general plot of the novel was: Brother Lang was so wild that he started cheering for him. While the other players were still being attacked by the monsters, killing 666 players. Brother Lang had already killed the Village Chief of the Novice Village. While the other players were still groping around in the dark, trying to figure out the game's routines. Brother Lang had already brought his pet out of the Novice Village. When the other players contracted their first baby, they would be able to use the same method. Brother Lang had already brought his second pet to destroy the Magic Tower. When the other players finally stepped out of the novice village after going through so much hardship. Brother Lang had already swept through the town with his four babies. This was a story of a single person with supreme strength, leading a group of babies to conquer the world. The story began when Brother Lang was a thief on the blue planet.