Upgraded versions must be acquired throughout the game from corpses, chests, bosses, etc. Rings can be repaired at a blacksmith, but not upgraded.
Some rings have upgraded versions, having a maximum of +3. Players can equip up to 4 Rings, but equipping two of the same item is not possible. Redeye Ring is a Ring in Dark Souls 2 (DKS2). If you seek strife, then fair enough, but no need to overdo it.' If it is tranquility that you seek, then you should never have left your home.
Becomes easier to be detected by enemies.