During the course of your journey, you will come upon 13 Locked Red Treasure Chests. Once you obtain the Thieve's Crest from the Mayor of Reza, you will be able to open these Locked Chests. All but one of them have extremely important items inside that will help you later on in the game. The following table lists the locations & contents of each Red Chest.

Location	Contents
In Ramus' bedroom	Garbage Can Lid
Weird Woods just to the northeast of where you meet Laike	Silver Light
Southwest house in Saith on the 2nd floor	Protection Ring
Sea Hag's house	Silver Light
Southwest house in Meribia	1000 Silver
Meribian Sewers (enter from Mel's Mansion in the southwest corner of the gym)	Silver Light
Second Level in the Cave of Trial in Vane	Soap
In Vane, due south of the Goddess Statue behind the house.	Devil Pendant
Mountain Pass, South of Nanza	Silver Light
Behind the Northeast house in Lann	Silver Light
In Reza, behind the building on the west side of town	Silver Light
On the left side of the Southwestern house in Meryod	Silver Light
In the Meryod Woods, cleverly hidden behind the lone tree in the Northwestern corner of the forest.	Fortune Ring