Skanda Purana — Kashi Khanda, Shloka 39
प्रयागात्तीर्थराजाच्च शूलटंको महेश्वरः । तीर्थराजेन सहितः स्थित आगत्य वै स्वयम्
prayāgāttīrtharājācca śūlaṭaṃko maheśvaraḥ | tīrtharājena sahitaḥ sthita āgatya vai svayam
从普拉雅伽——诸圣地之王——处，摩诃自在天以“舒拉坦迦”（Śūlaṭaṅka）之名亲自前来，并与那位圣地之王同至，在此安住。
Skanda (deduced: Kāśīkhaṇḍa typically Skanda → Agastya)
Tirtha: Śūlaṭaṅka Maheśvara (in Kāśī) with Prayāga Tīrtharāja association
Type: kshetra
Scene: Śiva as Śūlaṭaṅka arrives from Prayāga, bearing the trident, accompanied by a personified Tīrtharāja (Prayāga) as a radiant river-king figure; they take station in Kāśī.
FAQs
Sacred places are interconnected; Śiva’s presence sanctifies Kāśī with the merit and authority of Prayāga, the foremost tīrtha.
Prayāga (as Tīrtharāja) and the Kāśī manifestation of Śiva known as Śūlaṭaṅka.
No direct ritual is prescribed here; it narrates the divine establishment/arrival of Śiva at the site.