The cursed sabre of the pirate

Object 'the cursed sabre of the pirate'...

 It is a level 50 slicing weapon, weight 1.
 Locations it can be worn:  wield
 Special properties:  metal unique
 Classes allowed:  Fathomer Bladesinger
 This weapon has a gold value of 100000.
 Damage is 18 to 36 (average 27).
 Affects hp by 100.
 Affects damage roll by 12.
 Affects hit roll by 12.
 Affects luck by 1.
 Affects damage of vindur gong by 5%.
 Affects charisma by -1.