Summary

  • Pets in manhwa aren't just cute companions, they're powerful beings capable of obliterating anyone challenging their masters.
  • Kayden Break, the fat cat and strongest Awakener, forms a unique bond with Jiwoo Seo in the manhwa world.
  • From powerful spiritual beasts to dragons in disguise, these pet companions are as formidable as they are loyal in manhwa stories.

In several fantasy tropes, heroes have faithful partners that accompany them during their journey. Some might look fluffy and cute, but in truth, they're powerful beings capable of obliterating anyone who dares to challenge their masters.

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Some might be proud and have "tsundere" personalities, while others are the perfect partners, but all of these pets are worthy of the "strongest" title. From mounts to magical beasts, spirit animals, and even mentors, all these cute creatures are a manhwa MC's best friends.

1 Casein Nitrate (Eleceed)

Is That A Fat Cat? No, It's Your Worst Nightmare

Casein Nitrate Eleceed
  • Genre: Shonen, Action, Comedy
  • Author: Jeho Son
  • Artist: ZHENA
  • Status: Ongoing
  • Number of chapters: 308

Casein Nitrate (aka Kayden Break) is not just a fat cat, he is THE fat cat. Having assumed the form of a street feline, Kayden Break, the strongest Awakener, is rescued by a young man named Jiwoo Seo, and they soon bond into one of the best mentor-student relationships in manhwa.

But since Kayden hasn't recovered from his old battle wounds, he needs to pass as Jiwoo's pet for a long time, accompanying him and pretending to be a normal cat. Of course, while he had to go to the Awakeners Academy, Casein Nitrate's powers were discovered, so they had to lie and say that Jiwoo also has Pet Control powers, much to the surprise of MIR. The fun part is that this seemingly useless cat still has most of the powers of the strongest Awakener, and he uses them to beat anyone who dares threaten Jiwoo.

2 ZuZu (Infinite Leveling: Murim)

A White And Green Tiger...Loves To Drink Alcohol

ZuZu Infinite Leveling Murim
  • Genre: Martial Arts, Adventure, Action
  • Author: Gonbung
  • Artist: Jinwoo Kim
  • Status: Ongoing
  • Number of chapters: 203

What does the strongest martial artist need? That of course, is the strongest Spiritual Beast accompanying him on his adventures. ZuZu is a Spiritual Animal, a Booze Tiger, to be exact, which powers up every time he is offered high-quality alcohol. He is Dan Yuseong's faithful partner in crime (and mount) and tags along with him wherever he goes.

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ZuZu can shapeshift into a spiritual beast form (like a PokeBall) and remain near Yuseong all the time. He can also assume the form of a small cat, but his real shape is that of a huge tiger that weighs over 500 pounds and is as big as a horse. This powerful feline has intrinsic spiritual energy and can empower his attacks as well as his speed to become as fast as the wind.

3 Raon (Lout Of The Count's Family)

Feed Him, Praise Him, Worship Him, Or Else

Raon Lout Of The Count's Family
  • Genre: Isekai, Drama, Comedy, Fantasy
  • Author: Elegant (Yoo Ryeo Han)
  • Artist: Elegant (Yoo Ryeo Han)
  • Status: Ongoing
  • Number of chapters: 134

Raon is a powerful infant black dragon, one of the strongest species in the world. When Cale saved him from his imprisonment, this small but powerful being was reluctant and distrusted him, but the noble of the Henituse family gave his freedom back. Without asking anything in return, and promising Raon to avenge him, Cale gained his trust.

The black dragon whelp ends up becoming a pet, or more like one of his closest friends and confidants, and is always willing to blast away everything that gets in the way of Cale. Of course, he always requests to be praised and be given food as "sacrifice" (like any other dragon would) and often puts up a "tsundere" act in front of others, while in truth he is happy to be at Cale's side.

4 Peace (The S Classes That I Raised)

Ultra Rare Beast, Hits Like A Truck

Peace The S Ranks I Raised
  • Genre: Action, Supernatural, Adventure, Comedy, Drama, Fantasy
  • Author: Seri
  • Artist: Seri
  • Status: Ongoing
  • Number of chapters: 146

Peace is a Horned Flame Lion tamed and raised by Han Yoojin to be his pet and mount. While on the outside it might look cute, its true shape is truly frightening: a huge fanged beast that looks like a mixture of a giant lion and a fox. Besides its enormous strength and fire attribute powers, this creature has proven to be highly intelligent, helping Yoojin every time he is in a pinch.

This creature is optimized for battle, is highly resilient to the Fire Element, and can breathe fire that reduces everything to ashes. While at first it seemed like a C-class monster, thanks to Yoojin's hard work, it has evolved into an S-rank kiseungsu (Mount Beast) that can battle while its Hunter rides it.

5 Sylvie (The Beginning After The End)

Bond, Soul Partner, A Dragon In Disguise

Sylvie TBATE
  • Genre: Isekai, Action, Drama
  • Author: TurtleMe
  • Artist: Fuyuki23
  • Status: Ongoing
  • Number of chapters: 186

When Arthur Leywin met Sylvie, she was only but a small egg, the legacy of a powerful Asuran Dragon who entrusted him with her last offspring before she died. While she might look like a cute small pet, Sylvie is a dragon and has shapeshifted several times during their adventures to pass by as a Bond Beast. She has a snarky and prankster personality, often chastising Arthur for his behavior, but is in truth fond of him, and considers him as family.

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Her powers are only comparable to Arthur's, but since she still has a lot of time to grow, it is understandable that she will reach power heights that no other living being will be able to imitate. She is currently only ten years old, although the average lifespan of a dragon cannot be measured in human years. In the novels, she assumes a human shape, and resembles the features of Arthur, while retaining Sylvia's (her mother) main characteristics: white hair, black horns, and wearing a black dress with a scale-like design.

6 Pumpkin (The Story Of A Low Class Soldier Becoming A Monarch)

A Huge Wolf That Runs Like The Wind And Breathes Fire

Pumpkin The Story Of A Low Class Soldier Becoming A Monarch
  • Genre: Action, Medieval, Mild-Fantasy, Shonen, Adventure
  • Author: Doip
  • Artist: Soulpung
  • Status: Ongoing
  • Number of chapters: 146

Pumpkin is Chris Proudmount's faithful animal companion and mount, and the only magical creature that has a protagonist role in the story. As an Elemental Wolf, Pumpkin can resist Wize energy to a certain amount, is highly resilient to weapon damage of all types, and can breathe fire at will.

He can also run faster than a horse, often showing a competitive nature while riding alongside other warriors' horses. Chris thinks this is due to Pumpkin being the smallest of the litter, which has created some sort of inferiority complex in him. Nevertheless, this powerful fire wolf is strong enough to help Chris reach his ultimate goal: becoming a powerful King.

7 Ruru (Reformation Of A Deadbeat Noble)

A Talented Cat, Able To Use Powerful Magic

Ruru Reformation Of The Deadbeat Noble
  • Genre: Fantasy, Reincarnation, Sword & Sorcery, Comedy, Drama
  • Author: Doip
  • Artist: Lee Deung Byeol
  • Status: Ongoing
  • Number of chapters: 106

Ruru is a powerful Elementalist (mage) who appeared one day in front of Airen and declared that she would be her mentor in the Mystic Arts. In appearance, Ruru is nothing but a small fluffy cat, with playful behavior and a childish voice, though its true origins are clouded by mystery. She can assume a human-like form with certain draconic features, which makes fans suspect that she might be some kind of young but powerful dragon.

This little fur ball is capable of casting the most powerful spells, although some of them tend to misfire, which resembles a sorcerer from the Wild Magic blood origin in D&D. She and Airen have become close friends, and they travel together far and wide, each of them chasing a common goal - be the best at what they do.

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