Curse to Agni Dev

From the spiritual union of Lord Shiva and Parvati, a divine energy was produced which was necessary for the birth of their son. Even the gods were eagerly waiting for thier son to be born so that he could kill the demon. Tarkasur. But as the news of the birth of energy reached Tarkasur, he attacked the gods and wanted to destroy the energy to prevent the birth of son of Lord Shiva and Parvati. Indra, the chief of gods,sends Agni dev to protect the energy. Agnidev stole that energy without the knowledge of Lord Shiva and Parvati and escaped so that it could be protected from the demons. Agnidev fails to bear the heat produced by the energy and runs towards the forest to save his life. When goddess Parvati came to know about the loss of energy , she became furious with gods as they had intruded in her matters of motherhood and she cursed the deities that their wives will not be able to conceive.She also  cursed Agnidev that he would be shunned by good things and he would become black   due to the impurities when he is offered food and  not only this she further increased the punishment by saying that whoever touches him will be burnt to ashes.Goddess Parvati  was deeply hurt and said that whoever had taken her son away from her will be destroyed.The curse soon started to show its effect.as the trees of forests started to get burnt due to Agni dev. He prayed Lord Shiva for the help. Lord Shiva appeared and said that even after activation of Parvati's curse he would remain pure and who ever gets burnt to ashes by him will also become pure.From that day due to purity of fire he get his new name "Pawak" from Lord Shiva.