Several Strongboxes in Beast of Reincarnation are sealed behind a lock that only opens with the right code, and each one guards gear or crafting materials tied to Emma and Koo’s journey. Below is every code found so far, matched to the exact Strongbox it unlocks.
Working Beast of Reincarnation Strongbox codes
Each code below only works on the Strongbox listed next to it, so match the location before entering anything.
04180— Disposal Site Strongbox, Ogouchi Buffer Zone08110— Cliffside Village Strongbox, Ogouchi Buffer ZoneDown, Down, Left, Right, Up— Subway Platform Strongbox, Ancient Civilisation ZoneRight, Left, Left, Down, Up— Ruins Slope: Approach Strongbox, Ancient Civilisation Zone07230— The Rusted Bridge Strongbox, The Great Wall Terraces01498— The Subcity of Flowers Strongbox, The Great Wall Terraces02984— Cave Strongbox, Pilgrim’s Zone63457— Prayer Room Strongbox, Matsukawa ColonyLeft, Down, Right, Up, Down— Library Hall Strongbox, Matsukawa Colony42354— Chamber of the Great Buddha Strongbox, Fuji Frontier ZoneLeft, Down, Up, Down, Right— Hidden Cave Strongbox, Fuji Frontier Zone81239— Drowned Ruins: Interior Strongbox, Giant Tree Zone95889— Crater Fortress Strongbox, Crater Zone68437— Matsukawa Colony: Spirit Stone Ore (M), 861 Amber, Immunity Censer, Recovery Tonic (L)
One additional locked Strongbox, in the Abandoned Village of the Ogouchi Buffer Zone, does not use a numeric or directional code at all. It opens with the Red Key received during the “Path to the Sealed Lair” objective, which unlocks the door leading to that chest.
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Locked Strongboxes come in two forms. Some use a numeric dial with five digits, while others use a sequence of directional inputs that must be pressed within a short time limit.
The lock panel closes and the Strongbox lid opens automatically once the correct code or sequence is entered, dropping its contents for pickup on the spot.
Where Strongbox codes come from
Not every Strongbox in the world needs a code. Only a select group of them are locked, and their codes are earned by defeating the Elite Enemy guarding that area or by progressing through the main story. There is no separate code-entry menu outside the chest itself, and no code carries over between different Strongboxes since each one is set to its own unique combination.
New locked Strongboxes tend to surface as more zones open up, so it’s worth checking back on this list whenever a fresh area becomes reachable.





