Most Powerful Familiars In Isekai Anime

Most Powerful Familiars In Isekai Anime

As a die-hard fan of Isekai Anime with a lifelong passion for these fantastical worlds and their extraordinary creatures, I must say that the list presented here showcases some truly remarkable familiars. Each of them possesses powers beyond our wildest dreams, and they serve as an inspiration for any aspiring adventurer.


Lovers of Isekai Anime may find it common that when a main character is transported to a different world, they often acquire a strong ally or pet-like creature, known as a familiar, who accompanies them and assists in combat. In these situations, the creatures can be summoned, hatched from eggs, or have some significant encounter with the protagonist throughout their journey.

This write-up evaluates the strongest companions in Isekai Anime, taking into account factors such as speed, attack strength, magical abilities, usefulness, and, above all, how overpowered they are. Ranging from a stealthy wolf that leaps at its master’s bidding to a nearly divine forest beast lord, who indulges in delicious food and displays a terrible temperament.

5 Jet (Reincarnated As A Sword)

An Ever-Evolving Shadow Wolf, Capable Of Incredible Combat Feats

Originally a rare Onyx Wolf, this character transformed into the powerful Darkness Wolf known as Jet, due to its association with a magical sword wielded by Master, a former office worker reborn in another world. This wolf is unique in that it can blend with shadows and has a special affinity for residing within Fran’s shadow. Its name derives from the deep black color of its fur, similar to Urushi in Japanese.

This character possesses an extraordinary ability to traverse narrow areas and pass through matter by harnessing his shadow for teleportation, and he can leap at breath-taking speeds across diverse surfaces, skillfully incapacitating prey before defeating it. Additionally, Fran calls forth Jet whenever needed, utilizing him as a swift mount, and they can cover vast territories with remarkable speed while riding together. This demonstrates that Jet is not only strong, but quick and robust, continually growing in power. Master believes that one day, Jet will achieve the power of an S-Rank monster.

4 Pigimaru (Failure Frame)

They May Think A Slime Is The Weakest Monster, And That Will Be Their Last Mistake

In a twist of events, the once forsaken hero Touka is driven by a thirst for vengeance against those who abandoned him, while the malevolent Empire pursues his cherished companion Seras. Accompanying him is Pigimaru, a pet slime whose strength mirrors Touka’s own diminished abilities in cheating. Remarkably, this slime isn’t just an ordinary companion; it can transform into a protective armor for its owner and was advanced using the proscribed techniques detailed in an ancient sage’s journal, a knowledge long since forgotten.

Pigimaru possesses the ability to enlarge its form, strike with its tentacles, and inflict curses, even breaching defensive barriers. Remarkably agile in transformation, it can morph into a weapon that bolsters Touka’s battle prowess significantly. In essence, this tiny slime is as overpowered as the main character, effectively functioning like two entities simultaneously, constantly unleashing a torrent of curses upon enemies, inflicting an endless onslaught of pain and hardship.

3 Night (I Got a Cheat Skill in Another World and Became Unrivaled in the Real World, Too)

She May Look Small, But Don’t Underestimate Her

In the mystical Other World forest, night takes on the form of a formidable cub resembling Fenrir, a black beast known for its immense power with levels surpassing 500. When Yuya, a Japanese student who’d been isekai’d, encountered this creature while hunting an Orc Emperor, it was wounded and cornered, leading to initial mistrust of the young man. However, as time passed, the beast began to shadow him, eventually developing a bond akin to a pet, accompanying him thereafter.

This tiny, adorable cub is among the cutest and strongest companions that transforms into a familiar for an MC in an Isekai anime. When it comes to raw power, Night surpasses all other monsters not only in level, but also in speed, magical prowess, agility, and intellect. Night’s abilities are so remarkable that she can even detect the most elusive creatures. In fact, she outsmarts even skilled royal assassins with her detection skills. Interestingly, Night seems to have a soft spot for Akatsuki, another pet belonging to Yuya and another broken entity from this fantastical universe.

2 Filo (The Rising Of The Shield Hero)

The Queen Of All Bird Monsters, With Incredible Strength And Shapeshifting Skills

As a gamer immersed in the world of Rising of Shield Hero, I never expected my small monster egg purchase from the cunning Slave Trader to hatch into a chick-like creature. What’s more, this little critter rapidly outgrew other members of its species. I named her Filo, and it wasn’t long before she started talking and transforming into human form—a development that has certainly stirred up some drama, particularly with the spear hero, Motoyasu, who seems to have fallen for her head over heels. Despite knowing exactly how to put him in his place, Filo often handles his relentless pursuit with surprising restraint.

In this world of Raphtalia, Filo is the supreme Bird-like creature, renowned not only for her majestic presence but also her formidable combat skills. This familiar boasts immense strength, swiftness, and nimbleness. She’s capable of pulling a heavily loaded carriage filled with gear and people at breakneck speed. In her humanoid form, she can fly limited distances, engaging in combat with her prodigious power, either wielding weapons or utilizing her unique combat gloves. Lately, she has taken a liking to the flail as her preferred weapon, following the Colosseum Tournament arc where she acquired it. Additionally, Filo has demonstrated the ability to calm and empower her comrades with her melodious voice.

1 Fel (Campfire Cooking in Another World with My Absurd Skill)

The Most Powerful Familiar, Not Even Dragons Stand A Chance Against Him

In Norse mythology, Fenrir is the monstrous wolf prophesied to swallow the world during the cataclysmic battle: Ragnarök. Within the realm of Campfire Cooking in Another World with My Absurd Skill , Fenrir is a fearsome wolf, boasting immense strength, earning him an S+ Rank classification. Essentially, he’s a living, rampaging disaster that can overpower even ancient dragons. To put it simply, Fenrir is the most powerful beast known and exhibits a haughty, aggressive demeanor. Conversely, our Isekai protagonist is initially unwilling to take on heroic duties and encounters this ferocious Fenrir wolf by pure chance during his cooking activities.

However, it’s worth noting that the Fenrir in this Cooking in Another World anime, whom the main character calls Fel, has a peculiar vulnerability: Food. Fel is unable to resist the allure of cooked meat and leverages his intimidating demeanor to compel Tsuyoshi Mukouda into forming a contract. In return for regular meals and satisfaction, Fel agrees to lend Mukouda his power and shield him during hunting expeditions for fresh meat and exotic ingredients, enabling Mukouda to create even more mouthwatering dishes. Given that Fel is the top predator in this world, he makes an exceptional and powerful ally for any adventurer.

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2024-09-06 08:06