What are Numbers Weapons in Kaiju no 8? Powerful Kaiju weapons explained

The game changers versus monsters.

The Numbers Weapons inKaiju no 8represent humanity’s best defense against the monstrous Kaiju that wreaks destructive havoc.

These powerful combat gear, crafted from the remains of defeated Kaiju, are a testament to human ingenuity in the face of existential threats.

Kaiju no 8 main character Third Division vice captain Soshiro Hoshina seen fighting Kaiju no 8 in season 1 episode 9

These Kaiju weapons harness the strongest Kaiju’s special abilities, allowing elite Defense Force soldiers to go toe-to-toe with even the most dangerous Daikaiju class of monsters.

However, wielding this devastating power comes at a steep price. Only a select few within the Defense Force possess the strength and mental fortitude to don these suits and become humanity’s monstrous champions.

Kaiju no 8 main characters Kafka Hibino seen punching a Yonju in season 1 episode 2 as the featured image of ONE Esports article ‘Kaiju classification system explained: All types of Kaiju in Kaiju no 8’

Warning: Major spoilers for fans who have not read the manga.

What are Numbers Weapons in Kaiju no 8?

Developed by Izumo Tech, Kaiju weapons are very different from standard Defense Force weapons and combat suits. They are, in essence, powerful exoskeletons constructed from the remains of vanquished Kaiju.

These suits offer the potential to wield these colossal beasts’ very strength and abilities, granting the wearer immense destructive potential. However, wielding such power comes with significant drawbacks.

Strongest Kaiju in Kaiju No 8, featuring Kaiju No 9, 14, 10, 15, and 11

Compatibility is a critical factor. Only some soldiers can don a Numbers Weapon and expect to become a monster-slaying champion.

The human body must first synchronize with the deceased Kaiju’s residual energy and cellular material. This process triggers a neurotransmitter surge, pushing the user’s physical and mental fortitude to their absolute limits.

Kaiju no 8 main characters Kafka Hibino and Reno Ichikawa seen in ONE Esports' featured image for the ‘All Kaiju no 8 songs and themes’ article

Because of the demanding synchronization process and immense physical strain, Numbers Weapons are reserved for the Defense Force’s elite — from seasoned captains and vice-captains to only the most exceptional rookies with the potential for greatness.

Furthermore, the primal instincts inherent to the Kaiju can cloud the user’s judgment, potentially leading to self-inflicted injuries. Repeated use of a Numbers Weapon exacts a heavy toll on the user’s body, accumulating strain and potentially shortening their lifespan.

Kaiju no 8 manga characters Kafka Hibino, Soshiro Hoshina, and Mina Ashiro seen in the ONE Esports featured image for the ‘Where to read Kaiju no 8 manga’ article

In the Kaiju no 8 manga, users of Numbers Weapons often experience ghostly visions of the suit’s previous wearers. For instance, Kikoru Shinomiya is assigned to use Numbers Weapon 4, the same weapon her mother, Hikari Shinomiya, wielded as the captain of the Second Division.

While using the suit, Kikoru sees apparitions of her mother in action, making her connection to the weapon both eerie and deeply personal.

Kaiju no 8 supporting characters Iharu Furuhashi and Haruichi Izumo seen in episode 3 of season 1 participating in the final Defense Force test

The Northern Division’s captain suggested that these may be lingering memories, while First Division captain Gen Narumi suggested they could be the deceased Kaiju’s consciousness clinging to the suit.

Numbers Weapon 10 is a unique case as it functions as a sentient weapon. This suit contains the lingering consciousness of the battle-hungry Kaiju no. 10, enabling it to speak and exhibit some autonomous movement whenever Third Division vice-captain Soshiro Hoshina uses it.

Kaiju no 8 supporting characters Soshiro Hoshina and Konomi Okonogi seen in episode 3 of season 1 viewing all the Defense Force applicants

All Kaiju no 8 numbers weapons and their users

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Kaiju no 8 main characters Kafka Hibino and Reno Ichikawa seen shocked in season 1 episode 2 as the featured image of ONE Esports article ‘Best 5 anime like Kaiju no 8 for massive monsters lovers’

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