Shiva is called the destroyer and transformer at the same time.
There are some legends that says Shiva is protected and guarded by a bull. The bull is called Nandi.
What is your power as a guru?
Transform and destroy.
Why are you sitting in a yoga position?
Because I’m a symbol of yoga and also they call me as a master of yoga.
Why there is a bull always behind you?
Because the bull Nandi protects me and it is a symbol of guard.
Why should we believe in your powers?
I’m the guru of the transforming and destroying also re-birth. If there are death and rebirth in life that explains that my powers are real.