Vṛṣeśākhya-Śivāvatāra and the Initiation of the Kṣīrasāgara-Manthana
Churning of the Milk Ocean
पुनश्च मथ्यमाने तु कालकूटं महाविषम् । युगान्तानलभ जातं सुरासुरभयावहम
punaśca mathyamāne tu kālakūṭaṃ mahāviṣam | yugāntānalabha jātaṃ surāsurabhayāvahama
Then, as the churning was continued again, the dreadful poison Kālakūṭa arose—an immense venom, blazing like the fire at the end of an age—bringing terror to both the gods and the demons.
Suta Goswami
Tattva Level: pati
Shiva Form: Nīlakaṇṭha
Sthala Purana: This is the Kālakūṭa emergence that precipitates Śiva’s salvific act (drinking the poison and becoming Nīlakaṇṭha). While not a Jyotirliṅga origin, many sthala traditions recall Nīlakaṇṭha episodes as paradigms of Śiva’s protection.
Cosmic Event: Yugānta-anala imagery (end-of-age fire) invoked to describe Kālakūṭa
It shows that when the world’s “churning” intensifies—through karma and conflict—poison (inner and outer affliction) can surface first; Shiva, as Pati (the Lord), is the refuge who alone can contain and transmute what terrifies all beings.
The verse prepares the Neelakantha theme: devotees worship Saguna Shiva (often as the Linga) as the compassionate protector who absorbs cosmic negativity and safeguards creation, making the Linga a symbol of stabilizing grace amid upheaval.
Remember Neelakantha Shiva while japa of the Panchakshara mantra (Om Namaḥ Śivāya), and adopt a purifying discipline such as Tripuṇḍra (bhasma) with restraint of speech and senses—treating “poison” as anger and impurity to be offered into Shiva-consciousness.