A key made of gold. It can unlock the Gold Treasure Chest as well as the Gold Treasure Chest+.

A key made of silver that can unlock the Silver Treasure Chest as well as the Silver Treasure Chest+.

An elaborately worked key which opens the Kelpie Chest.

A highly ornate key with an exotic crystal | Required for opening a Damnation Chest.

A highly ornate key with an exotic crystal | Required for opening a Damnation Chest+.

A meticulously forged key made from a magical crystal. Required to open a Perfect Chest.

This delicate key can open a Platinum Treasure Chest.

This delicate key can open a Nam Gwang Treasure Chest.

This delicate key can open a Yilad Treasure Chest.

This delicate key can open a Dong Gwang Treasure Chest.

This delicate key can open a Seo Gwang Treasure Chest.