Multiplanar Potions

 A planewalker needs tools in their inventory to adequately handle the complexities of jumping from one plane of existence to another, and here a few handy potions for the job. First concocted by the Ancient Order of the God of Languages, Linguisos,* these potions have proven to be exceedingly useful for those passing through parallel prime material planes....

Potion of Linguistic Acclimation

Duration: length of stay on a foreign material plane of existence

This potion, when drunk, induces a fugue state for 1D6 rounds within the imbiber, after which their internal languages align accurately with the local prime material plane in which they have found themselves. The local common now is understood as well as the native common from their home plane. This may lead to curious side effects, should there be no common language in the plane the potion is drunk in, where the imbiber may instead pick up the most common local dialect or trade language instead. 

This potion has no effect on universal languages, which tend to be planar languages, or those languages which were propagated across multiple dimensions by planar travelers. Once drunk there is a 50% chance the imbiber speaks with a discernable accent. When they return to their home plane of existence they typically immediately revert back to their native languages, but there is a 5% chance that this effect is prolonged and takes 1D12 days before they fully revert.

This potion does not interact with other potions that may be drunk while under the effect of linguistic acclimation. It only acts on common and racial languages which hold a parallel between material planes; if the language has no comparable local analog, no acclimation is possible. Typically dead, esoteric and rarely used languages do not have analogs.  

An adventurer who chooses to study a language that they gained access to while using this potion may reduce the amount of time it takes to learn the language (per DMG, 6 months and 250 GP in tutoring costs) by the number of days spent speaking the language in the visited plane of existence. If they remain in the plane for 6 months, then the DM may rule they can add the language to their normal roster permanently. If this happens, there is a 5% chance it will instead replace the old common language they used to know as well. 

Potion of Social Conformity

Duration: 1D6 hours

Drinking this potion provides magically induced behavior changes in which the imbiber will pick up on desired social queues and etiquette of the local planar realm more efficiently. The potion lasts for 1D6 hours and grants advantage on any rolls (typically charisma or wisdom based) that relate to good relations, etiquette or formal behavior. 

Potion of  Paradimensional Aptitude

Duration: 1D6 hours

This potion provides the imbiber with access to one skill for which they gain proficiency as if they were always familiar with the subject/skill. The skill however must be one which is unique to the material plane or otherworldly dimension which the imbiber would not otherwise ever be able to access in his native home plane. An adventurer from a traditional realm of fantasy ruled by magic who travels to a material plane operating under rules of high technomancy and science may, for example, drink this potion to gain temporary proficiency in a Computer Use skill. 

Potion of Anchoring

Duration: one day

The potion of Anchoring allows the imbiber to ground his or her self to the local planar realm or material plane in which he or she is located at that moment, preventing a banishment spell from sending them back to their home plane of existence. The potion temporarily aligns the planar chakra of the drinker with the visited plane. This will not function if the imbiber then shifts to a different plane and a new potion must be drunk.

*Yes, the high priest of Linguisos is Gnome Chompsky.