Kaumodaki is the Gada (mace or club) of Bhagwan Shri Hari Vishnu. Krishna , the Purna Avatar of Vishnu, received the Kaumodaki Mace from Agni. Legend has it that Agni gave Vishnu the mace for helping in performing the Khandava Dahanam or the burning of the Khandava forest. The story how Vishnu got Kaumodaki mace is found in the Adi Parva of the Mahabharata. Agni had got the Kaumodaki Mace from Varuna, the sea god. Once there was a king named Shwetaki. He conducted several types of yajnas for several years and this filled the kingdom with smoke. The yajna place was continuously under smoke and the Rishis found it difficult to even breathe. They all left the place. This did not deter Shwetaki who decided to conduct another yajna for 12 years but none of the Rishis were ready to take part in it. Shvetaki then prayed to Shiva for a solution and He gave him Durvaasas as the priest for the yajna. Durvaasas continued the yajna for 12 years pouring unlimited material