I saw flask with snake poison in my friend's house. Unfortunately, he is not active so he can't tell me how to obtain this item.
Description: The cobra poison in this flask is very potent. Even inhaling it would be dangerous. It leaks a bit and will evaporate shortly.
Is it only decoration item or can I use it on the different way?
Use Empty poison flask, it can be found inside the Cobra Bastion, here. It spawns multiple times per day when the room "resets". Using it on a dead Cobra will result in a Flask with Snake Poison.
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