Carth was thinking on it too. That also didn't make sense to him. What was the intention of the cursed ones that placed it if they are suppose to follow their master's orders. "I'm puzzled by it too." 

Altoron goes to the table as he pulls out a rolled up parchment of the map. "Scarlet, could you light the room please?" He asks as he shrouds the room in darkness. Orion and the other two assassins make their way to the table.