Verse 35

भोगाभिलाषं संत्यज्य बलिः संपूर्णमानसः ।आत्मारामस्थितो नित्यं मध्ये पातालकोटरे

In plain words

Having abandoned all longing for enjoyment, Bali, his mind become full, abides ever delighting in the ātman, there in the midst of the hollow of Pātāla.