|This content is obsolete and article is archived. Any information given are to be taken as reference.|
|Confidential Weapons Document No.4|
|Effects||Can be combined with other 3 confidential weapons documents to receive a special item.|
|Cost to buy||N/A|
|Date added|| South Korea|
23 April 2013
Can be combined with other 3 confidential weapons documents to obtain Weakness Analyzer Season 3.
- The first time Panic Room was released in Singapore/Malaysia region, if players complete the game and use this item, they will get a bug that the game will be auto disconnected and cannot log in again. However, this bug was fixed soon at the same time (the players will recieve 1 Big Emergency Medicine instead after finishing the game).