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.
Weakness Analysis Device Season 3Edit
A device that helps to analyze a weakness point of zombie boss. It receives a battle data in live to analyze the zombie boss's weakness point. The effect of this item will deliver an additional damage to zombie boss in Zombie Scenario Season 3. It is only valid in Zombie Scenario mode with $7500 as initial possession money.