Isthmus

Isthmus is a location in Romancing SaGa: Minstrel Song.

A cliff-top plateau, which is home to the Isthmus Keep, the Isthmus region is a part of Rosalia, having been wrestled away from the Bafal Empire. The Isthmus plateau also houses the Isthmus Cavern, which has a mysterious link to the old God Saruin.

To unlock Isthmus one has to:
 * Recruit Gray
 * Recruit Albert
 * Reach Yeoville while playing as Sif or Albert
 * Talk to the female NPC close to the keep in Loban
 * Complete one of the 3 ending quests

Early on in the game, inside the keep, there's Albert, whom can be recruited.

Useful Proficiencies

 * Find Chests