The Long Hall

From itch.io:

A mausoleum-temple, the complex is a site of pilgrimage and worship for those of the sect. The Hall's priests have always been somewhat mysterious, rarely seen coming or going, and their numbers are uncertain. Recently, something seems amiss at the temple, with priests not appearing to greet visitors, or perhaps visitors disappearing. A foul aura has fallen upon the place, and reports of giant insects prowling the area have increased...