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To restore power in the Underpass during Recursions and Iterations, bring three charges from active Power Cores back to the central Power Core room. One core there is already active. Use the yellow markings, cables, and floor tape to follow each route, then return promptly with each charge.
Where to find the three Power Core charges
The objective takes place in the Underpass. First locate the central Power Core room: it is the delivery point, with four cores in total, one already powered and three inactive. The other three charges are found at active cores in separate areas. Walkthroughs agree on this destination-and-return loop, though they do not establish a single precise set of room names or landmarks for every source.
Use the yellow tape, markings, or cables as route cues. Follow one marked route to an active core, take its charge, and carry it back to the central room. Repeat for the remaining two charges.
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- Find the central room. Identify the three inactive cores so you have a clear destination for each delivery.
- Follow a marked route. Use the yellow markings, cables, or floor tape to reach an active Power Core in another area.
- Take the charge and return promptly. The walkthroughs describe the carried charge as time-limited. Retrace the route you used instead of detouring.
- Install the charge in the central room. Bring it back to one of the inactive cores.
- Repeat the route-and-carry loop. Collect and deliver the other two charges to power all four cores.
What to do if you lose the route
Look for the yellow route cues again and use the cables or floor markings to orient yourself. The walkthroughs support following these markings, but do not establish that exact room layouts or landmarks are identical in every current game build. If a route appears different, follow the visible cues in your game rather than relying on a room-by-room description from a guide.
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This is described as a route-and-carry puzzle; the walkthroughs do not identify a code or hidden switch as a required step. After the final core is powered, the objective updates and you return to Ayad.
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These directions are corroborated by secondary walkthroughs published September 22–25, 2026, including AllThingsHow’s Underpass walkthrough and ShowGamer’s guide. They are not official developer documentation. Check the visible routes in your current game if quest behavior or geometry differs.
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