The Manvantaras & Dissolution of the Universe - Verse 120-122

Then, at the end of the Manvantara, the seven Devas of the Bhrgu family, the powerful sovereign rulers, who had enjoyed the three worlds for seventyone cycles of four Yugas by remaining within them, and who used to perform Yajfias along with the Pity's, Manus and the Seven Sages will then abandon the three worlds and go to Maharloka along with their devotees and those who perform Yajfias. -When they proceed upwards, and when the Manvantara expires, all the three worlds will be rendered without any support.