Matsyapurana 48.90

48.90

balistānabhinandyāha pañca putrānakalmaṣān
kṛtārthaḥ so 'pi dharmātmā yogamāyāvṛtaḥ svayam //

Balî said to his five pious sons that he considered himself highly blessed on having them as his sons ; and then encasing himself in his Yoga Mâyâ, he became invisible to all, and began to wait for the predicted period, in the Pâtâlapuri.—90.