Unique Magic Items
There are certain unique Magic Items that can be found only in stores or given as rewards after completing quests. There are even people throughout Oblivion that carry magical items or weapons. Here is a list of the quests that yield magical items, and what the item is:
Quest: Unfriendly Competition Item: Weatherward Circlet Quest: Accidents Happen Item: Sufferthorn Quest: Scheduled for Execution Item: Scales of Pitiless Justice Quest: The Assassinated Man Item: Cruelty's Heart Quest: Bad Medicine Item: The Deciver's Finery Quest: Honor Thy Mother Item: Blade of Woe Quest: Azura Item: Azura's Star Quest: Boethia Item: Goldbrand Quest: Clavacus Vile Item: Masque of Clavicus Vile Quest: Hermaeus Mora Item: Oghma Infinium Quest: Hircine Item: Savior's Hide Quest: Malacath Item: Volendrung Quest: Mephala Item: Ebony Blade Quest: Meridia Item: Ring of Khajiiti Quest: Molag Bal Item: Mace of Molag Bal Quest: Namira Item: Ring of Namira Quest: Nocturnal Item: Skeleton Key Quest: Peryite Item: Spell Breaker Quest: Sanguine Item: Sanguine Rose Quest: Sheogorath Item: Wabbajack Quest: Vaermina Item: Skull of Corruption