King of the Gods
Upon agreement, Vamana 'spread His vast Form and He measured the earth in the twinkling of an eye', and spreading over the three worlds, 'killed the great Asuras for the benefit of the Devas'. Vamana gives the three worlds to Indra and the nether regions to Bali, with the promise that after 'Vaivasvata Manu [7th and current ruling Manu] is succeeded by Savarni Manu, you will become Indra [i.e. King of the Gods]'. Vamana also mentions that as Bali in 'ancient times' had worshipped Him most devoutly, he can go to live in Patala, 'abounding in excellent gardens, palaces, luxuriant flowers, lakes, rivers' etc. Vamana then vanishes (CCXLVI / 246). Other details include: