τίς οὖν ἡ ταύτης περιουσίαν → what is its chance of being saved
circum-lūcens: entis, Part. luceo,I shining or glittering around; trop.: fortuna, Sen. Cons. ad Marc. 2, 5.
circumlūcēns,¹⁶ tis, jetant de l’éclat tout autour : Sen. Marc. 2, 5.