Śrāddha-kalpa: Amarakantaka–Tīrtha-Māhātmya and Akṣaya Pitṛ-Tarpaṇa
तत्र ज्वालासरः पुण्यं दृश्यते चापि पर्वसु / सशल्यानां च सत्त्वानां विशल्यकरणी नदी
tatra jvālāsaraḥ puṇyaṃ dṛśyate cāpi parvasu / saśalyānāṃ ca sattvānāṃ viśalyakaraṇī nadī
There, on festival days as well, the holy lake Jvālāsara is seen. And that river has the power to make beings with embedded wounds become viśalya—freed of every thorn and dart.