Timed Security Chest

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The Timed Chest is a Chest with a counter on it. It can only be found in Rallypoint Delta (Third Level Map). In order to use it, you have to reach it in 10 minutes. Upon reaching the chest in 10 minutes or less and opening it within the 10 minutes, the "[REDACTED]" achievement is unlocked as well as the Preon Accumulator.