Irgâk

The Irgaak was a two-handed sword composed of a heavy straight blade with two triangular projections about ¼ of its length from the tang.It is a weapon of eastern design but came to use among some Dorwinrim and even some of the easternmost Noldor-Exiles.

The First Irgaaks ever smithed were the Six Irgaak-Swords, six marvellous blades forged by the Half-Elf Arxdukanga in Irgaak, a fortress in the Orocarni.

History of the Irgaak Blades
The Six Irgaak Blades were created by Luingurth the Blademaster in the early Second Age.After he turned to evil,Luingurth forged the Irgaak swords, which were able tosummon the "Harvest of Fools". They were not of thesame calibre as Luingurth, however, and were eventually defeated, being no match for the Blue Laen blade.

outer history
the Irgaak was originally a fantastic weapon from the ROLEMASTER background Shadow world.

Literature

 * MERP Rulebook 2nd Edition