This multi-layered saga seems to have been an epic tussle between Vishnu and Siva partisan story tellers.
This question is not a duplicate of the question
What is the story of Sharaba?
in answers to ...
Like any library, Hinduism Stack Exchange shares great information, but does not offer personalized advice, and does not take the place of seeking such advice from any Acharya, Pundit, astrologer, Guru or other trustworthy Counselor.