Classical Alternic

Classical Alternic was the primary language of the Alternian Peninsula during the height of the Alternian City States, spoken from around the time of the Crown Wars through most of the Sundering.
 

Special

As a dead language, availability to learn it is more limited than other languages. It now only exists in written form, and can only be learned via ranks in linguistics or as a bonus language by native speakers of a derived language or those who have access to materials or individuals from which to learn it (DM discretion).