Below is a guide on where to find all of Ruddle’s lost merchants in Star Ocean: The Divine Force. Once you’ve found all of the below merchants, return to Ruddle in the Seaport of Rythal!
Amy
Approach the white dot just north of the rest spot in Edahli Region as shown above to trigger an event then head up and speak with the lost merchant. (You might have to speak with someone in Larcette Village or the Village of Eda first!)
Cale
Speak with the Shopaholic Woman in Larcette Village then travel to The Aucerian Highroad and approach the spot shown on the map above to find the lost merchant.
Derek
First, speak with the Old Woman Well-Versed in Art in the Imperial City. Afterwards, travel to Baldaar Citadel and head down the steps to reach a prison at the above location to trigger a cutscene.
Lucas
This lost merchant can be found at the above location in Nihlbeth.
Ronnie
Speak with the Caring Woman in front of the infirmary in Delryk Village to learn of a lost merchant. Afterwards, head into Delryk Mines to find the merchant at the above location.
Ruddle Jr.
Speak with Observant Corporal in front of the inn at Seaport of Cotto then travel to the center of the Cottorinth Mountain Pass to find the lost merchant!
Ruddle Jr.
First, speak with the Perceptive Man slightly northeast of the item shop in the Baldaar Citadel then speak with the lost merchant in Vey’l Region at the spot shown in the image above.
Ruddle Jr.
Travel to the southern part of the Aucerius Plains to find Ruddle Jr. once again.