From LSWiki

Kryptonese is DEAD! R.I.P. It isn't here anymore. Don't bother looking for it in-game.

Class: Language Skills
Attribute: Intelligence
Pedagogy: Procedural
Hidden Skill
Language Difficulty: Slightly Hard
Language Speed: Slightly Slow
Language Overlaps:
  Archaen: minimal
  Thari: minimal

The ability to speak and comprehend the Kryptonese language,
the tongue of the vanishingly rare Kryptonians.

Notes

Trainers