From LSWiki

Class: Language Skills
Attribute: Intellect
Pedagogy: Procedural
Practitioner Term: Speaker of Cilaghai
Hidden Skill
Language Sound: Flowing
Language Difficulty: Very Hard
Language Speed: Slightly Fast
Language Overlaps:
  Aelvalie: slight
  Thari: slight
  Sperethiel: minimal

The ability to speak and comprehend the Cilaghai language, the ethereal, refined, ancient
tongue of the Tuatha race.

Notes

Trainers

Association:
Leah's Hill: Arvan the Keeper
Crafty Linguists: Janid Suzak Wanders
Guild:
Aligned: Taiji
Elflords: Celeborn
Quest: