The Guardians that stormed the Deep Stone Crypt inadvertently reactivated dormant power sources across Europa. Variks has detected one such power source within Bray Exoscience.
"Though Eramis dug deep, she did not uncover every secret buried within the ice. Long before our arrival, Europa thrived through scientific discovery during your Golden Age. It is, of course, the birthplace of the Exo. Though we understand little of what that actually entails. Perhaps you may be our key to unearthing these secrets and keeping them out of the hands of House Salvation." —Variks the Loyal