For the Elite warriors. No fear, Diving Headfirst into battle. You cannot be stopped and Death does not scare you. Outnumbered is normal and you dance with Death.
His (Odin's) men rushed forwards without armour, were as mad as dogs or wolves, bit their shields, and were strong as bears or wild oxen, and killed people at a blow, but neither fire nor iron told upon them. This was called Berserkergang”
Protecting your allies till the end.
These items were inspired and represent the Viking warriors Known as Berserkers.
Who were Berserkers?
In the Old Norse written corpus, berserker were those who were said to have fought in a trance-like fury, a characteristic which later gave rise to the modern English word berserk (meaning "furiously violent or out of control"). Berserkers are attested to in numerous Old Norse sources.