From Dark and Darker Wiki
Named unique items
Named unique items are rare variants of unique items with a changed name that currently can only be obtained from the Ghost King and Lich in High roller. These items always have a strong additional effect only available to said item.
Swords
Longsword - Fulgor
Special effect: If you hit an enemy, summons a thunderbolt to deal 20 additional magic damage.
Maces
Morning Star - Pulverizing Prayer
Special effect: Crushes the enemy's armor with each hit, reducing the target's physical defense by {1}%. Stacks up to 3 times.
Daggers
Rapier - Voila
Special effect: Hitting an enemy deals 2 additional magic damage, freezes them, and frostbites them for 10 seconds.
Polearms
Halberd - Cinder
Special effect: Hitting an enemy deals 10 additional magic damage and burns them for 3 seconds.
Axes
Horsemans Axe - Famine
Special effect: Hitting the target will render them unable to receive any healing effects for {0} seconds.
Bows
Survival bow - Elven Bow of Truth
Special effect: When shooting a bow, the action speed is very fast and the arrow flies in a straight line.
Recurve Bow - Pestilence
Special effect: Hitting the target inflicts a disease that deals 3 magic damage for 12(*) seconds.
(*) - While it says 3 magic damage per second for 12 seconds, it lasts 3 seconds.
Crossbows
Magical Weapons
Shields
Heater shield - Aegis
Special effect: Can deflect projectile spells while in defensive stance. After the reflection is triggered, you remain able to reflect for 3 seconds, and cannot reflect again for 20 seconds after performing a spell reflection.