Forbidden contracts in the fantasy world

There are three kinds of contracts in the world: under the legend, in the legend and above the legend. The contract on the legend is forbidden to mention the existence of the gods a mysterious man wearing an ice mask shuttles through time and space, selects two people destined to be enemies and asks them to sign two kinds of contracts on the legend what exactly did that man do? Is it to provoke the gods, or to satisfy their selfishness?