Rudrabhishek is a mantra which chanted by Lord Krishna and Arjuna to please Lord Shiva and to get weapon from Shiva. Arjuna is one of great devotee of Shiva. He once penance on Shiva in Forest. To test him, Lord Shiva come there as Kirata Avatar, and fight with him. But Arjuna realized that person in front of him is not other but God of gods, Lord Shiva. Arjuna ask forgiveness from them, and