Crypt of Mahina (d20)
Five hundred years ago a Paladin named Mahina turned to darkness and betrayed his king. He stole the throne and stole the treasures of the kingdom. Eventually the people of the kingdom rose up and overthrew him. He was buried with the things he loved most: his treasures and his closest followers.
This D&D 5E adventure is for four to eight characters of 1st or 2nd level.