From Pathfinder Lost Omens World Guide, which isn't enabled.

Thassilonian Traveler

BACKGROUND

Attribute Boosts Constitution or Intelligence, free

Skills Arcana, Thassilon Lore

Prerequisite Region - Saga Lands

You come from ancient Thassilon, one of the citizens that appeared out of time alongside the city of Xin-Edasseril. You know many things that have been long forgotten... along with many things that are no longer correct.

Choose two attribute boosts. One must be to Constitution or Intelligence, and one is a free attribute boost.

You're trained in the Arcana skill and the Thassilon Lore skill. You gain the Dubious Knowledge skill feat.

Pathfinder Lost Omens World GuideOGL