Here is a list of all the different one-a-days in the game and where you can get them.
Armor values are if the item is fully decked and bright enchanted.

Name of Item	Where you get it	How Good
Genie Slayer	Pyramids, Genie's Closet	Better than Long Sword
Jeweled Scimitar	Pyramids, Treasure Room	Better than Genie Slayer
Dark Cutlass	Terra Sewers/Caves	Same as Jeweled Scimitar
Steel Sword	Minatour Hall, Maze, Caravan Road	Better than Dark Cutlass
Dark Sword	Hidden Cache, North Caravan Road	Same as Steel Sword
Bone Sword	Undead King, Castle of Darkness	Better than Steel Sword
Glyph Kris	Torpor, Erebus Guardian	Better than Bone Sword
Scarab Blade	Pyramids, Genie	Better than Glyph Kris
Blade of Light	Lighthouse Near Cypruss, Light House Keeper	Same as Scarab Blade, Paladin only
Diamond Dagger	Hyssa's Altar	Better than Dagger
Jeweled Dagger	Pyramids, Treasure Room	Same as Diamond Dagger
Stinger	Wyvern's Lair, Mountain Peak	Same as Diamond Dagger
Devyn's Defender	Under Dark Goblin Village, Captain Spectre	Better than Diamond Dagger
Skull Dagger	Pyramids, REAL Treasure Room	Same as Devyns Defender
Acheron's Dagger	Waterfall Area, West Seculary Room, Coffer	Same as Skull dagger
Magical Staff	Abandoned Outpost, Dark Tunnels	Better than Staff
Jeweled Staff	Pyramids, Treasure Room	Better than Magical Staff
Dual Claws	Vetra, Dark Goblin Village	Same as Steel Claws
Worg Claws	Worg's Lair, Wastelands, Worg Drops Black Claws which can be exchanged for Worg Claws in Duskan Weapons Shop	Better than Dual Claws
Hammer of Destruction	Happy Land, Maelric	Same as Worg Claws
Leaf Helmet	Great Tree, Southeast of Cypruss, Elder Treegula	16 armor
Dark Helmet	Hidden Cache, North Caravan Road, Demon Residue	16 armor
Mask of Valest	Draishton Manor, Attic, Spirit of Valest	19 armor
Clam Shell	Underwater, Lake Tarnok	20 armor
Heaven's Shield	Lighthouse, Near Cypruss, Enraged Ventos	21 armor
Elven Cloak	Elven forest, nw of terra	34 armor
Cloak of Darkness	Hidden Cache, North Caravan Road	37 armor
Vladimir's Cloak	Vladamir's Tomb, Catacombs	37 armor
Geomancer's Robe	Earth Tower (future oneaday)	40 armor
Ant-Skin Armor	Ant Queen, Ant's Nest	47 armor
Dragon-Skin Armor	Green Dragon, Nyx Caves	48 armor
Blood Fiend Skins	Catacombs, 4th Level, Blood Fiend	52 armor
Bone Armor	Archaelogical Dig (future oneaday)	53 armor
Plate Mail	Minotaur, Hidden Lair, Upper Mines	52 armor
Diamond Armor	Pirate Captian, Fortune Island	60 armor
Frienyiet's Sword	Island of Xerus	???
Dagger of Etrop	Island of Xerus	???
Staff of the Worm	Island of Xerus	???
Cloak of Fire	Island of Xerus	?? armor
Xerusian Gauntlet of Power	Island of Xerus	???
Shield of Compassion	Island of Xerus	21 armor
Hammer of Perseverance	Island of Xerus	???