Shatabhisha is the twenty-fourth, ruled by Rahu, its symbol an empty circle (also a hundred flowers, a hundred stars), its deity Varuṇa — god of the cosmic waters and of law. The name means 'a hundred healers'.
Mechanically Rahu is the unorthodox and the breakthrough; Varuṇa is the invisible order that governs everything (he binds law-breakers with his noose). Together: seeing the hidden rule and repairing according to it. The hundred healers isn't a crowd coming to save you — it names what this segment handles: the things that take a hundred methods to cure, the difficult, the concealed, the systemic. The circle is a boundary: repair needs an enclosed space.
Where you'll recognise it: a real need for solitude, interest in hidden regularities (science, systems, the esoteric alike), strong healing capacity, hard to get close to, a distance from groups, and a habit of still researching where others gave up. Running well, you're the great repairer: locating the lesion, handling what others can't, going deep inside your own circle. Stuck, you seal up — walls too high, independence turned to isolation, or carrying so much alone that nobody knows you're struggling. Dhanishta before it drums; Purva Bhadrapada after it is fire in the dark: shut in and mending long enough, something fierce catches light inside.