Sadhashiva is one of the most benevolent gods. He can destroy your pain, suffering in a very short time and with little worship. That is why he is referred as “bhole-naath”.
As per a story Ravana the great Shiva bhakt was once ordered by his mother to bring her a Shiva-lingam. Ravana in his vanity decided to lift the Kailash Parvat itself. As the earth shook Parvati requested Shiva to do something and Shiva pressed the mountain down with his feet. This crushed Ravana under the mountain. Ravana pleaded for mercy and in the processed sacrificed all his heads to Lord Shiva one by one.
The mantra he used to praise Lord Shiva is called shiv tandav stotram. It shows Ravana’s utter mastery over the language.
Reading this mantra everyday can take away your physical and spiritual pain.