Ashta Roopa of Bhirava, Eight Aspects of destructive form of Shiva
Bhairav is the fierce manifestation of Lord Shiva. Bhirava himself as Ashta roopa (Eight Aspects). These aspects symbolized with 8 primary aspects of fear.
Kala – Black which spares none.
Asitanga – Black limbed meaning limbs of terror.
Samhara – Destruction and annihilation.
Ruru – Wild dogs meaning destruction which chases you.
Krodha – Anger or terrible wrath.
Kapala – The skull which symbolizes death through destruction.
Rudra – The terrible.
Unmatta – The raging one.