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The Progphene Bottle is a bottle containing a dangerous and toxic substance called Progphene.
It is a green bottle of the invisible gas contained inside, usually a piece of tape can be rolled around with the symbol "Pgp", which indicates Progphene on the bottle.
The use of the Progphene Bottle is one-time use per bottle, which releases Progphene in order to harm the individual it is thrown at. For some entities it does not harm them, but it will stun them for 15-60 seconds.
Not all entities are quite affected by the Progphene released, here is a list of the entities that will not be harmed by Progphene: