The quest writeup for this armor can be found. Effects on these items were added with the December 19, 2002 patch. Effects were then changed on some of these items with the January 9, 2003 patch. Please note that things such as required level, lore, magic, no drop status have not always been reported in, so this information will be incomplete.
Plate: ornate molds -- Plate: elemental molds -- Chain: ornate chain patterns -- Chain: elemental patterns
Leather: ornate patterns -- Leather: elemental patterns -- Silk: ornate patterns -- Silk: elemental patterns
Aura of Bravery: +3 HP/Tick and +30 ATK.
Aura of Courage: +1 HP/Tick and +5 ATK.
Aura of Daring: +2 HP/Tick and +20 ATK
Aura of Regeneration: +3 HP/Tick (6th Signet effect)
Aura of Valor: +4 HP/Tick and +40 ATK
Avatar: +100 STR/DEX/AGI/ATK
Faerune: See Invis, Ultravision and Enduring Breath
Flowing Thought I, II, III, - X: +1 Mana/Tick for each level
Koadic�s Heightened Focus: +5 Mana/Tick
Plainsight: See Invis and Ultravision
Refreshment: +3 HP/Tick
Shield of the Arcane: +300 HP, +36 AC, +30 SvM
Shield of the Maelin: +350 HP, +39 AC, +40 SvM
Vengeance I, II, III, - X: +5 ATK for each level
(Unless noted all have a Max spell level of 65 and do NOT work on Complete Healing or % based Healing spells)
Extended Affliction IV: Increase spell Duration by 20% (Detrimental only)
Improved Damage IV: Increase Damage by 20% (Instant detrimental only)
Improved Healing IV: Increase Healing by 20%
Inferno of Sol: Decrease spell Mana by 20% (Strike of Solusek allowed)
Mana Preservation IV: Decrease spell Mana cost by 10%
Marr�s Gift: Increase spell Healing by 25%
Preservation of Xegony: Decrease spell Mana cost by 15%
Speeding Thought: Increase spell Haste by 18%
Spell Haste IV: Increase spell Haste by 15%
Saryrn's Venom: Decrease mana cost of spell: spear of torment by 20%