While he wears the ring, he'll feel the room grow cooler for a moment, though the effect passes after a few seconds. Other than that, there are no obvious effects.<br/><br/>The Princess offers no advice, other than it appears to be a powerful warding seal, designed to imprison something of great strength, though she can't identify what. Aurelia says she'll look into it, but the runes seem to indicate a powerful, extraplanar creature. Likely, whatever it is, it's probably safest to leave it trapped there.