Wall of putrid flesh vs. fiend

Doesn't seem right that the wall protects from something that "only exists in your mind": A putrid wall of flesh deflects your agonizing heartbreak's attack! You try to convince yourself despite your fear that your agonizing heartbreak only exists in your mind. Your agonizing heartbreak flickers momentarily. Your smash scratches your agonizing heartbreak. Your agonizing heartbreak stops your smash with a solid blow. Your agonizing heartbreak is in perfect health.