kṛṣṇasya - of Lord Kṛṣṇa; ananta - unlimited; vīryasya - whose prowess; yoga-māyā - of the mystic, deluding energy; mahā - elaborate; udayam - the manifestation; muhuḥ - repeatedly; dṛṣṭvā - having witnessed; ṛṣiḥ - the sage, Nārada; abhūt - became; vismitaḥ - amazed; jātakautukaḥ - filled with wonder.

Having repeatedly seen the vast mystic display of Lord Kṛṣṇa, whose power is unlimited, the sage was amazed and filled with wonder.