ZiZ, here's a list for you:
Unique artifacts:
Melee weapons:
- Venomblade
- Black Blade of Whetnall
- Minotaur Axe
- Staf of the Witch King
Ranged weapons:
- Kenneth's Five Stringed Bow (multishot)
Shields:
- Golden Shield of Balance
Helmets:
- Horned Helmet of Yngar the Wise (+5 HPs)
- Exolon's White Helmet
- Crown of the Goblin King (shapeshift) (+5 HPs)
Armors:
- Celestial Armor of Jordan (levitation)
Cloaks:
- Rathunter's Cloak (immunity to poison)
- Hell Cloak of Florian (teleport self on use) (+5 HPs)
Boots:
- Seven League Boots
Amulets:
- Amulet of Toth
- Pendant "Calvin's Imagination" (regeneration)
- Barbed Choker (+5 HPs)
Rings:
- NONE!
Books:
- Tome of the Lich King (summon skeleton)
Trinkets:
- Magical Dungeon Atlas of Hannes (free limited mapping)
- Magical Catnip of Mateusz (summon cat)
Other than those, there are 2 more unique items:
- Dog whistle (summon dog), only given to ranger at start
- Practice Wand (tickle enemies), only given by newbie quest
Marked in bold all those which posess a unique ability not found
on anything else ingame.
Other "special" items which are not unique but provide a bit more
than regular "plain" basic items, by having built in "enchantments":
Lightsources:
- Wizard's Staff
- Dwarven mining helmet
- Moonstone Pendant
Magic protection:
- Wizard's Staff
- Wizard's Hat
- Wizard's Robe
- Dragonscale Shield
- Prismatic Band
Stun:
- Mace
- Crossbow
Disarm:
- Flail
Knockback:
- Halberd
- Flail
Hits multiple targets:
- Axe
- Battle Axe
- Halberd
Hope I haven't missed anything.
P.S. Great idea about the iron boots! I never really find any use
for those. Maybe they could also grant a massive boost when
bashing down a stuck door?