It takes a lot of time and effort to become a good cook. It takes even more to become a good pharmacist. But it only takes a couple of minutes to mix some random ingredients in a bowl. This may not be so in our particular case, but the fact that this container had no markings on it, indicates there may be something vicious inside. It was probably not a good idea to inhale it.
When dealing damage, Unknown Mixture forces hero to discard all dice of random stat type.
Tier 2: Use PHYSICAL die to defeat this obstacle.