Asi (Sanskrit: असि, romanized: Asi) appears as a personification of the first weapon ever created according to Hindu epics. 'Asi' means 'sword'. A legend concerning Asi appears in the Shanti Parva book of the Mahabharata. In Rigvedic Sanskrit, Asi is still used as a term for a kind of sacrificial dagger or knife.
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Vaivasvata Manu (Sanskrit: वैवस्वत मनु), also referred to as Shraddhadeva and Satyavrata, is the current Manu—the progenitor of the human race. He is the seventh of the 14 Manus of the current kalpa (aeon) of Hindu cosmology. In the Jain religion he is also known as Nabhiraja, the father of Rishabhanatha and the last Kulakara.
He is the son of Vivasvan (also known as Surya), the Sun god, and his wife Saranyu. Forewarned about the divine flood by the Matsya avatara of Vishnu, Manu saved mankind by building a boat that carried his family and the Saptarishi (the Seven Sages) to safety. He was one of the wielders of Asi the primordial sword.