High Altar of the Moon

The High Altar of the Moon, or the "Moontower" as the lay people of the city called it, was a temple to Selûne in the city of Iriaebor in the mid–14 century DR.

Location
Just east of the High Tower of Iriaebor stood the round Moontower, a silver-and-black structure. The temple itself was built of pale marble. Graceful columns supported an intricately carved facade, behind which rose a lofty, tapering spire. An elaborate frieze glimmered in the moonlight beneath the temple's cornices, depicting a woman with flowing hair holding the reins of a chariot that rode through the sky, bearing the orb of a moon.

Interior
The entrance of the temple was a set of massive doors of polished mahogany. Within was a long, column-lined hall. Moonlight poured through windows high in the pale walls, caught and reflected by mirrors so that the entire temple glowed with an unearthly light. A row of teak-wood prayer boxes lined one wall, each large enough for a person to kneel in while making a prayer to the goddess. Each box had a grate in the roof so that light could pour in. In the thirteenth box, by knocking a secret code on the wooden panel (three knocks, a pause, and two more knocks), it would be opened by a member of the Purple Masks Guild, and if recognized they would lead the individual(s) to the Purple Masks' hideout.

Inhabitants
High Moonmaiden Astyaril Hulemene ) led faithful in eerie moonlit rituals. A friend to Harpers, Astyaril added the only touch of romance and mystery to the lives of most Iriaebens. For that reason alone, services here are always attended. There are 36 priests and 51 followers.