In Shadow Hearts: Covenant
The Ring Soul is first encountered in Apoina Tower by Karin and Nicolai. The Ring Soul bestows the gift of being able to control and refine the Judgment Ring to Karin, as they are able to see her importance in the future of the world. They warn Karin that they are watching, to see if she is truly deserving of this power and then disappear.
Soul of the Judgment Ring that controls all fortune. Can appear at any time and gives ring power-up items. Its true form is a mystery.
Ring Soul Locations in Shadow Hearts Covenant
Here is a list of locations that the Ring Soul appears in. Most meetings are optional. Meeting with the Ring Soul gives the player Judgment Ring upgrades.
In Shadow Hearts: From the New World