Even if Somni has no mouth, it would indicate which conversations he'd able to understand.<br/><br/>No mouth... Didn't think of it.<br/><br/>Well, you're a demon, your body can bend the laws of physics somewhat. How about you can emit a voice coming from your own body? It wouldn't sound exactly human, but it would be decent to understand. Due to it's unsettling nature, you might want to rely on your partner to handle most of the conversation, but you can fall back on that if need be?