Vital Instruments (Jinki)

The Power System of Gachiakuta

Japanese: 人器 (Jinki) | Power Source: Anima (思念)

What are Vital Instruments?

Vital Instruments, known as Jinki (人器), are ordinary objects imbued with spiritual energy called Anima (思念). These aren't merely weapons—they're extensions of a Giver's soul, reflecting their experiences and emotional relationship with the object.

Drawing from Japanese folklore of Tsukumogami—objects that gain souls after being cherished—Vital Instruments become reality through Anima and the dedication of Givers.

Anima: The Source of Power

Anima is spiritual "thought energy" that permeates the environment. Givers channel their Anima into cherished objects, awakening them as Jinki through deep emotional bonds, long-term nurturing, and personal significance.

Three Types of Vital Instruments

Attacker Type

Combat-focused Jinki granting powerful offensive abilities for defeating Trash Beasts and supernatural combat.

Defender Type

Support-focused Jinki providing healing, reconnaissance, defense, and utility abilities.

Succession Type

Rare Jinki passed through generations, accumulating power from all previous Givers.

Notable Vital Instruments

Rudo's "3R" (Gloves)

Allows infusing Anima into discarded items, turning trash into temporary weapons—reflecting Rudo's background of valuing discarded objects.

Enjin's "Umbreaker" (Umbrella)

Transforms into a weapon with sharp rotating blades, capable of the devastating "Octa-Shredder" attack.

Semiu's "Eyes" (Glasses)

Support-type Jinki that assesses Giver capabilities and detects incoming attacks.

Eishia's "Type: Heal" (Power Cord)

Provides potent healing by converting electricity into life force.

Limitations & Weaknesses

Vital Instruments have inherent limitations: weak emotional bonds reduce effectiveness, powerful abilities drain stamina, powers are locked to initial perception, and Jinki can be physically broken.

Role in the Gachiakuta Anime

Vital Instruments explore themes of value and attachment. While The Sphere discards objects as worthless, Givers in The Pit prove anything can have value if someone cares enough.