-The emergence-
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You give the round holes on the wall a resigned look. You've had enough of puzzles, you finally want to reach your destination and go home. Then you turn around, wade back into the water and take a deep breath before plunging into the floods. You dive through the ice-cold water again, but after just a few minutes you are enveloped in darkness that you can no longer see through. You soon realize that you are running out of air. You can't swim back, you don't know how to get back. You swim on desperately and suddenly you are caught by a powerful current that you are unable to cope with. Your efforts to fight the force of the water are unsuccessful and you are mercilessly swept away. You have already reached the edge of your consciousness. You won't last much longer without oxygen.
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But then hope springs up in you as light enters your field of vision again. You no longer seem to be far from the saving surface. The current pulls you closer and closer until it suddenly hurls you towards saving land. You take a deep breath of the cool air and look around before slamming your fist on the ground in disappointment. You have arrived exactly where you started. In the cave under the water, with the invisible shield in front of the exit that will save you.
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- Examine the wall in section 357.