Explore The Facility Interior Quest Guide In Genshin Impact (Beneath the Lunar Sea Puzzle)

Beneath the Lunar Sea is a Moontide Sea side quest in Genshin Impact, which Travelers must complete to unlock the Curtain-Form Blackbody Containment Lab. The facility is where players can exchange their Luna Sigils for precious rewards like Primogems, Acquaint Fate, Luna Treasure Compass, and Borderland Shrine of Depth Keys.