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This is guide unit 21: Chapter 5 Aurora, Box 1. Confirm the screenshot before copying a symbol, dial or slider state.
Solution cross-checkedBoxes Lost Fragments Chapter 5 Box 1 · verified 2026-09-30
Boxes Lost Fragments Chapter 5 Box 1 solution
Open the horn gate, arm the four statues, and restore the frozen picture to obtain the cryptex.
Quick route: Follow the four mechanism phases below in order; the exact video segment begins at 98:45.
Step-by-step walkthrough
Open the first layer
Turn the sealed horn's disc and catch to release the handle, clear the gate bolts, and use the handle to open the light-pipe slider puzzle.
State and version notes
- Confirm the chapter, unit label and screenshot together before copying a visual state.
- Inventory objects often unfold or hide a second switch; inspect every side before assuming an item is unusable.
- This route was checked against two complete written walkthroughs and the matching full-game video segment.
Checked against the matching Just Adventure section, the complete Walkthrough King route, and the full-game video at this unit's timestamp.
EXACT SEGMENT
The clip starts at 98:45 and ends before the next named box or hall puzzle.
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