The Lost Halls of Scarnascis (5E)

From publisher blurb: The Lost Halls of Scarnascis is a DUNGEONS & DRAGONS 5e adventure for 3-5 characters of 3rd level. It is designed to be played in a single session. The party has found a magical treasure map. For the map to reveal its secrets, in magical text, it states that they must swear a pact of companionship over personal interest, of generosity over greed, and harmony over discord.