1) Mythological Norse weapon 
Ridill is weapon that appears in Norse Mythology, possessed by the dwarf Regin. Under the guidance of Regin, Sigurd killed Fafnir, Regin`s older brother that had killed their father Hreidmarr and monopolized his treasure. Afterward, Fafnir`s heart was cut out and roasted for Sigurd and Regin to eat. According to Poetic Edda, Regin used Ridill to.....