The Aegishjalmr is an item from Norse mythology that is mentioned in the Edda. The name is
made up of the Old Norse word œgr (Old High German egis), which means something like
terrible, and hjalmr, the Old Norse word for helmet. Literally translated, Aegishjálmr
(Oegirshelm) means horror helmet.
In mythology it is said that it offers protection to the wearer as it protects him from the eyes
of the Makes the enemy appear invisible. It's an ancient Icelandic magical symbol from 4
superimposed rods with 3 prongs at each end. Aegir was in the Nordic Mythology of the
giant of the sea.
During Christianization, the protective symbol became through its magical Forces not
only forbidden, but even carrying them punished with death. In which Helmet is a kind
of masquerade (mimicry). This enables the wearer to to disguise one's true form and,
for example, a horrific appearance to accept. Hence the name as a horror helmet.