Quick answer
The August 25 update expands the playable area, adds Daidara, and grants the Kubi Akari Charm plus a Musashi stat boost in the full game when demo save data is present.
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Verified answer
The expansion adds the Oni Refuge, additional Genma fights and Daidara, and brings the demo to Switch 2 and Xbox on PC. Existing installations are updated rather than replaced by a separately named demo.
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Player-useful details
Save-data benefits are Kubi Akari and, according to the August PlayStation interview, a Musashi stat increase. Those benefits should not be confused with story-progress transfer, which the Xbox demo page explicitly rules out.
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Current evidence limit
For Everything in the expanded demo update, the current evidence limit is specific: the update notes confirm the added content, not every route, reward condition or difficulty change.
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Questions players ask
What is confirmed about Everything in the expanded demo update?
The August 25 update expands the playable area, adds Daidara, and grants the Kubi Akari Charm plus a Musashi stat boost in the full game when demo save data is present.
What is still unknown about Everything in the expanded demo update?
For Everything in the expanded demo update, the current evidence limit is specific: the update notes confirm the added content, not every route, reward condition or difficulty change.
Official sources
