Onyx

Black Obsidian - a powerful cleansing stone for negative energies within your aura, and a strong psychic protection stone. This stone has powerful metaphysical properties that will help to shield you against negativity. The energy of these stones may stimulate the gift of prophecy and may boost precognition.
 
Steel metal shavings.
 
Chikara symbol - is Japanese given name. The name means translates to strength, power, ability and energy.