naruto - Why were the coffins of First and Second Hokage not sealed? - Anime & Manga Stack Exchange

In Naruto, we have seen that Orochimaru summons the coffins of both, the 1st and 2nd Hokage, and uses them to fight against the 3rd Hokage. Also in Shippuden Season 2, he tells that he experimented

In Shadows

Why didn't Hashirama and Tobirama break free of Orochimaru's Edo Tensei when they fought Hiruzen? - Quora

Sy8000's profile - Blogs

60122581?size=360x518

Ψ Cy'jin, Sedina Hakumei Ψ

Why didn't Hashirama and Tobirama had reanimation eyes when they were reanimated in the OG Naruto? : r/Naruto

Four Hokage's Return! – Orochimaru's Edo Tensei Enabled! – Naruto 618

Naruto - Hidden Sound Village / Characters - TV Tropes

Test Thread - Niro - Naruto Saigen Roleplay

The First Hokage - N-612 - Super Rare - 1st Edition - Foil - Naruto CCG Singles » Emerging Alliance - Goat Card Shop