The Extinction Event is a Superior unique weapon featured in Dead Island 2 (2023).
The Extinction Event was released in Dead Island 2 with the launch of the game on April 21, 2023.
Here you can find the main information about the weapon and where to find it.
How to get the Extinction Event weapon in Dead Island 2:
To unlock the Extinction Event in Dead Island 2 you need to complete the Story Mission: Justifiable Zombicide (Beverly Hills).