Poisoning key
Selection icon
Effects Unlocks Poisoning map
Source Event
Cost to buy
Date added Alongside Poisoning

Poisoning key is an event-based item in Counter-Strike Online.


A key that can unlock the passage to a strong zombie. By holding this key, you earn a trip to battle out with numerous powerful zombies in your dream.

This item will be provided once you have cleared a round of Poisoning map.


See also

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