Charles has come to Liberl with his mom, Radmira. He will originally be found behind Elgar's in Rolent looking at the "junk" after Child Rescue is completed.

He has a small request, Find the Shiny Rock, which is available after Cassius leaves on his mission.

 

Locations:

Prologue (After Child Rescue): In the alley behind Elger Arms & Guards in the City of Rolent.
Prologue (After Departure): Behind the Orbal Factory in the City of Rolent.
Prologue (After Shiny Rock): In the alley behind Elger Arms & Guards in the City of Rolent.
Prologue (After Liberl Media): ???