Sahasrāra — thousand-petalled union
Sahasrāra at the crown aperture: union of śakti (kuṇḍalinī) with śiva; the nectar-flood that follows is the goal of the ascent.
Point 8 of 17 in Kuṇḍalinī — Serpent Ascent (suṣumṇā)
Cross-tradition overlaps
No overlapping points are registered for this point.
Sources
Sat-Chakra-Nirūpaṇa (primary_canonical)
Six-chakra source with the kuṇḍalinī ascent through suṣumṇā.
Woodroffe (Avalon), The Serpent Power (secondary_translation)
Standard English transmission used for terminology.