watch 01:38 The Loop (TV) Do you like this video? This article is a stub. You can help Ninjago Wiki by expanding it. “It's a statue.""A gate.""To an Oni stronghold. But it's open.” — Kai, Zane, and Faith Oni Strongholds are fortresses in the Oni Land inhabited by the Oni long ago. Wu thought this was where the Dragon Armor was hidden. Retrieved from "https://ninjago.fandom.com/wiki/Oni_Stronghold?oldid=340472" Categories: Article stubs Community content is available under CC-BY-SA unless otherwise noted.