As an action, you can create a vial of liquid that smells like a library. A creature can drink the contents as an action to learn a language or become capable, or proficient if they are already capable, with a skill for the duration.

Augment

• You can expend 1 additional catalyst to become proficient if the creature isn’t already capable.

• The creature can learn an additional language or become capable with an additional skill for each additional catalyst expended.