Valknut
The Valknut can be seen to represent the following:
Odin-the god of war and the granter of victory or defeat.
A warrior’s death-this, by extension, symbolizes fearlessness, courage, bravery, strength and fighting the good fight.
Reincarnation-The three interlinked triangles are believed to represent the connection between Heaven, Hell and Earth.
The Valknut is a strong and powerful looking symbol, with its three triangles and many points. As such, it’s a popular symbol for tattoos, representing strength, power, warriors and fearlessness.
Mjolnir (Thor's Hammer)
Mjolnir, or Mjǫllnir, in Old Norse, is the famous hammer of the god Thor. Everyone's favorite Avenger, Thor is the mightiest of all theGods and has a pretty cool weapon in the shape of a hammerthat returns to his hand whenever it is called.
The hammer of Thor is symbolized as a talisman for battle and life, providing them with strength, power,courage and generosity. Both men and women can wear Mjolnir jewelry as a symbol of power, strength and fearlessness.