Potion of Synchronization

This potion is actually two bottles interwoven together with one bottle having a purple liquid and the other having a brown liquid. You and another creature must each drink half of this potion within 30 seconds of each other. After this is done, both you and the other creature gain the following benefits for the next 6 hours:

• You gain proficiency with all skills that the other creature has proficiency in
• You gain proficiency with all saving throws that the other creature has proficiency in.
• You gain proficiency with any weapons or armor that the other creature has proficiency in.