TL;DR
- Complete Wasteland main objectives to unlock the Oblivion side quest from a child in Xion
- Use the Plaza Entryway waypoint to return to Flooded Commercial Center
- Follow yellow wall indentations to locate the flood control terminal
- Draining water reveals new areas with valuable collectibles and outfits
- Plan your route carefully to maximize exploration efficiency after drainage
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Stellar Blade presents players with diverse environments to explore, including the haunting ruins of Eidos 7. This devastated cityscape features entire districts submerged beneath toxic floodwaters that pose immediate lethal threats to protagonist Eve. The contaminated liquid proves so hazardous that mere seconds of exposure can result in fatal consequences.
When you first arrive via the Eidos 7 tram system, you’ll encounter the aptly named Flooded Commercial Sector. This area showcases submerged urban infrastructure with buildings and streets completely underwater, creating both a visual spectacle and a navigational challenge.
Strategic use of your drone’s scanning capability reveals the true potential beneath the surface. The scan function illuminates fully intact streets, operational shops, and explorable interiors that await discovery once the environmental hazard is removed. This advanced reconnaissance helps players plan their post-drainage exploration routes efficiently.
Accessing the flood control mechanism requires initiating a specific side mission called Oblivion. This quest becomes available only after you’ve successfully completed the primary storyline objectives within the Wasteland–Altess Levoire region. This progression gate ensures players have sufficient experience and capabilities before tackling the area’s environmental puzzle.
Upon finishing the Wasteland segment, return to the settlement of Xion and locate Orcal for initial dialogue. Then proceed to Xion’s main entrance area where you’ll find the actual quest provider.
Beneath the entrance archway structure, carefully scan for a ledge supporting a makeshift shelter. Here, a resourceful child character will provide you with a crucial Request Letter containing a specialized recovery program designed specifically to drain the plaza’s floodwaters. The document holds the technical solution to the area’s inundation problem.
Activate quest tracking for Oblivion immediately to enable navigation markers on your map interface. These visual guides prove invaluable for navigating the complex return path to the flood control infrastructure.
Return transportation to Eidos 7 involves requesting Adam to pilot the Tetrapod spacecraft. Once you arrive at Silent Street, locate and interact with the functioning payphone terminal, then select the Plaza Entryway as your destination waypoint. This strategic approach positions you optimally for accessing the control mechanism.
After teleportation, turn around and activate the gate mechanism to regain entry to the Flooded Commercial Center. From this re-entry point, proceed to the far opposite end of the connecting bridge structure.
Follow the pathway until you spot distinctive yellow indentations on the wall surface below. These specially marked handholds provide the necessary climbing route to adjacent streets. Carefully traverse sideways while maintaining grip on these marked surfaces.
The building housing the flood control terminal becomes accessible once you complete this climbing sequence. The terminal interface itself is prominently positioned within the structure’s interior, ready for activation once you reach it.
Activating the flood control terminal initiates the drainage sequence, causing the contaminated waters to recede throughout Eidos 7. This transformation unlocks previously submerged districts, revealing expansive new exploration opportunities beneath the plaza.
Immediately after the waters drain, numerous collectible items become accessible. Proceed along the newly revealed lower street where you’ll encounter a hostile robot unit. Eliminate this mechanical threat and retrieve its access code.
Utilize the acquired code to unlock a secured chest located within a liquor store on an elevated floor. This container holds the valuable Elixir Carrot consumable item, one of several nutrition cans scattered throughout the game world.







For optimal efficiency, complete the Wasteland region thoroughly before attempting the flood drainage sequence. This ensures you have adequate combat experience and resources for the challenges in the newly revealed areas. Consider reviewing our Class Guide for character build recommendations that complement exploration gameplay.
A common mistake involves attempting to access submerged areas prematurely through alternative routes. The toxic water mechanics are absolute—no shortcuts exist through the contamination barrier. Proper quest progression remains the only viable method.
Allocate approximately 45-60 minutes for the complete Oblivion quest chain, including travel time between locations. The actual drainage activation requires only moments, but thorough exploration of the newly accessible zones demands significant additional time investment.
After successful drainage, methodically search each newly revealed street and building interior. Beyond the Elixir Carrot, additional collectibles include the Cryo Original beverage can and the distinctive Wasteland Adventurer outfit, providing both practical benefits and cosmetic customization options.
For comprehensive gameplay strategies beyond flood drainage, consult our Complete Guide covering various Stellar Blade mechanics and systems.
Action Checklist
- Complete main Wasteland objectives and return to Xion
- Locate the child beneath Xion’s entrance archway to receive Request Letter
- Track Oblivion quest and use Tetrapod to return to Eidos 7
- Navigate to flood control terminal via yellow wall indentations
- Activate terminal and thoroughly explore newly accessible areas
No reproduction without permission:SeeYouSoon Game Club » Stellar Blade – How To Lower Eidos 7 Flood Waters Complete guide to draining Eidos 7 flood waters and accessing hidden collectibles in Stellar Blade
