Special Weapons is a system that, like Unique Items, allows you to obtain unique weapons.

Special weapons gain an ability that deals area damage when attacking

   You see a wand of vortex (Atk:8).
   It can only be welded properly by sorcerers of level 7 or higher.
   It weighs 19.00 oz.
   Surges of energy rush through the tip of this wand.
   This weapon is burned and has 24% to trigger damage effect
   damage: 42 - 168

Area, chance, base damage and damage type are random, player statistics may affect these values

   14:45 You see a wand of vortex (Atk:8).
   It can only be welded properly by sorcerers of level 7 or higher.
   It weighs 19.00 oz.
   Surges of energy rush through the tip of this wand.
   This weapon is burned and has 27% to trigger damage effect
   damage: 59 - 243
   

Weapons that naturally have their own effect may gain an additional skill.