Boxes: Lost Fragments · Nexus · Guide 9

Boxes Lost Fragments Chapter 2 Box 4: Plasma Core and Power Source

Complete the rotating panels, charge the plasma mechanism, and open the portal for the power source.

Boxes Lost Fragments Chapter 2 Box 4 Plasma Core and Power Source real mechanical puzzle gameplay — Real gameplay frame captured from Gameskeys' complete walkthrough. Game artwork © Big Loop Studios / Snapbreak Games.View timed source

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This is guide unit 9: Chapter 2 Nexus, Box 4. Confirm the screenshot before copying a symbol, dial or slider state.

Solution cross-checkedBoxes Lost Fragments Chapter 2 Box 4 · verified 2026-09-30

Boxes Lost Fragments Chapter 2 Box 4 solution

Complete the rotating panels, charge the plasma mechanism, and open the portal for the power source.

Quick route: Follow the four mechanism phases below in order; the exact video segment begins at 42:05.

Step-by-step walkthrough

01

Open the first layer

Restore the three petal diagrams, then rotate the top elements and place the released bulb in the turning wheel's empty socket.

02

03

04

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.

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