The Master's Voice has a enormous positive impact on social integrity via appealing to the need for the mystical. The efficiency of all <l:2,6>Temples<e>, <l:2,20>Cathedrals<e> and <l:2,21>Deodromes<e> in the host Civilization is doubled. It also <l:6,24>reforms cities<e> and prevents <l:6,29>conversion<e>.