The chief power (of all the rings alike) was the prevention or slowing of decay (i.e. ‘change’ viewed as a regrettable thing), the preservation of what is desired or loved, or its semblance – this is more or less an Elvish motive. But also they enhanced the natural powers of a possessor – thus approaching ‘magic’, a motive easily corruptible into evil, a lust for domination.
