Copied from original mod page by original author  sward66.

General Enchantments

All of these rings carry a common base enchantment that fortifies health and magicka by varying amounts, usually between 25 and 35 points. In addition, each one has a custom enchantment that modifies the effects of one or more Forgotten spells. There are fifteen of these rings at the moment (as of version 1.6.5).

Ring of Furious Flames

Increases the chance to apply Searing Pain or Ignite by 5%.

Band of Devastation

Increases Meteor Shower meteor count by 1.

Band of Illusions

Increases duration of Doppelganger by 50%.

Hoarfrost

Increases the damage of Ice Lance by 20%.

Ring of Hungering Cold

Ice Surge restores 20 magicka.

Band of Frozen Time

Increases the duration of Frost Barrier by 2 sec.

Light Bearer

Increases the lingering effects of Divine Light by 2 sec.

Band of Devouring

Increases the siphon effects of Blight Curse and Necrosis by 2 points per tick, and decreases negative effect of Tenebrous Affinity and Sudden Death by 2 points.

Ring of Virulence

Increases damage/sec. by 2 points for Poison Bite and Vile Spores.

Band of Permanence

Increases the duration of Veil of Nature by 100%.

Leader of the Pack

Wolf Pack summons 4 wolves, rather than the usual 3.

Ring of Confusion

Increases Susceptibility effect of Cursed Rune and Discord from 50% to 100%.

Storm Caller

Increases duration of Stormstrike by 50%.

Ring of Retribution

Increases effect of Divine Vengeance from 15% to 25% damage boost.

Revenant Ring

Raises victims of Blight Curse to do your bidding, up to max level 25.