Matsya Purana 180.58

180.58

asya kṣetrasya māhātmyād bhaktyā ca mama bhāvanāt.
jaigīṣavyo mahāśreṣṭho yogināṃ sthānamiṣyate .. 180.58 ..

There was a great ascetic Ṛiṣi named Jaigîṣavya He attained the highest siddhi in this Kāśi Kṣettra by his Bhakti and devotion towards Me—58

This Jaigīṣavya desired to reach the goal of the yogis He daily meditated on Me in this place By his meditation, the fire of yoga was kindled in him, and he attained Kaivalyam (Independence) so very rare to the Devas—59