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Dr. A's Confidential Trunk 3 was an item trunk for Zombie Scenario: Season 3.
This is a briefcase that received from a mysterious scientist Dr. A as a reward to collect the four secret weapon confidential documents. You can only know what is inside by opening it.
The player will get items after opening this box which help them efficiently in Zombie Scenario. It lasts for 30 days per box. These items are required to obtain this item. The player can get one box after using one set.
Obtained by combining these:
- Confidential Weapons Document No.1
- Confidential Weapons Document No.2
- Confidential Weapons Document No.3
- Confidential Weapons Document No.4
Receive one of these: