[ Castiel has to pause for a moment before he answers, considering how best to put it. ]
It's meant to be spoken with at least four voices and at frequencies that most humans aren't capable of withstanding. You might be able to understand it without suffering permanent damage [ he certainly seems like he might be special enough, after all - though on second thought so did Dean ] but I can't speak it properly here.
There is a drastically simplified version that some humans are able to use to invoke divine power, though. That sounds like - [ He clears his throat and recites a short phrase, one syllable at a time, drawn out and clearly enunciated like a chant. It sounds almost vaguely halfway like Hebrew, but also not very much like it at all. ]
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It's meant to be spoken with at least four voices and at frequencies that most humans aren't capable of withstanding. You might be able to understand it without suffering permanent damage [ he certainly seems like he might be special enough, after all - though on second thought so did Dean ] but I can't speak it properly here.
There is a drastically simplified version that some humans are able to use to invoke divine power, though. That sounds like - [ He clears his throat and recites a short phrase, one syllable at a time, drawn out and clearly enunciated like a chant. It sounds almost vaguely halfway like Hebrew, but also not very much like it at all. ]