Juinjutsu

Embedded directly onto a target's heart, causing instant cardiac arrest if they attempt to betray the caster. 2. Power-Amplification Seals

Placed on branch family members to seal away their visual prowess upon death, preventing enemy capture. juinjutsu

Defying the seal triggers intense physical agony, paralysis, or instant death. Classifications of Juinjutsu Embedded directly onto a target's heart, causing instant

If you were actually referring to (the anime/manga), the "papers" would be the manga chapters themselves, specifically the "Shibuya Incident" arc for power scaling discussions Embedded directly onto a target's heart

As they approached the Kage's stronghold, Kaito and his companions encountered increasingly formidable foes. They battled against Akane's lieutenants, each with their own twisted Juinutsu abilities. Kaito discovered that his own powers allowed him to create complex seals, which could bind and neutralize his enemies.