Forum:Armor master vs book of moon

ok so i was dueling today vs my friend who runs a glad beast deck and he used book of moon to flip my armor master into face down DEF but he says its destroyed but its effect make em so he cant be destroyed by battle i just went along with it and won the duel but for the sake of future duels i wanna know if thats true cuz i think its the same rule with spirit reaper if its facedown its still not gone but is armor master? Raiga 22:51, April 7, 2010 (UTC)