We publish our audit record because accuracy claims should be checkable. Every entry on this site runs through an automated fact-audit pipeline (accuracy audit → source-grounded repair → visual QA); this page is generated from that pipeline's own report, not written by hand.
This is a fiction/fan codex: entries describe an in-universe canon. Our audits check canon and internal consistency — external fact-checking does not apply the way it does on real-subject codexes.
Last full accuracy audit: 2026-08-26 · 30 entries checked · 19 flagged · 33 issues confirmed · 19 corrected · 14 still open
Giyu Tomioka — Giyu spared Nezuko while she was still a demon; the claim that he spared her after she returned to humanity contradicts the series timeline.
Shinobu Kocho — STATS section lists 'Flower Breeding' as the derived breathing style; canonically it is 'Flower Breathing'.
Shinobu Kocho — Did You Know claims Shinobu is the 'only Hashira' with a non-traditional sword shape; Mitsuri Kanroji (Love Hashira) wields a flexible, whip-like katana and Tengen Uzui (Sound Hashira) uses dual cleavers, both deviating from traditional blade shapes.
Zenitsu Agatsuma — Kaigaku was an Upper Rank Six (Upper Moon 6), not a Lower Moon One.
Zenitsu Agatsuma — There is no canonical evidence that Zenitsu's fear of cats is rooted in specific past trauma.
Kyojuro Rengoku — The entry claims Kyojuro was unable to guide his father Shinjuro back from despair during his lifetime, contradicting canon where he successfully reconciles with him before departing for the Mugen Train mission.
Twelve Kizuki — The entry incorrectly states Upper Rank 3 (Akaza) first appeared in the Mugen Train Arc; Akaza debuted in the Tsuzumi Mansion Arc, while Enmu (Lower Rank 1) was the antagonist of the Mugen Train Arc.
Ubuyashiki Family — Amane is the name of Kagaya's wife; canon does not explicitly confirm a surviving daughter named Amane as the sole heir continuing the lineage by that specific name in the epilogue.
The Twelve Kizuki: Muzan's Elite Demon Subordinates Divided into Upper and Lower Moons — The entry incorrectly states Muzan personally eliminated all six Lower Moons; canon confirms Upper Moons (e.g., Akaza and Douma) killed some Lower Moons like Mukago and Wakuraba.
Breathing Styles: Combat Techniques Derived from Sun Breathing to Mimic the Sun's Power — The Stats section incorrectly lists Yoriichi Tsugikuni as the originator of all Breathing Styles (plural), whereas he only created Sun Breathing and derivative styles were developed by subsequent Demon Slayers.
Breathing Styles: Combat Techniques Derived from Sun Breathing to Mimic the Sun's Power — The claim that Nichirin Blade color is dictated by breathing style is factually incorrect; it reflects the user's nature/affinity, evidenced by Tanjiro using Sun Breathing with a black blade.
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