"They may have passed before the decapitation."

... Not, strictly, a cheerful thought but Wrathion cannot help himself. His mind is always whirring away, considering possibilities. This is, in fact, a possibility. Someone could be drowned in a hot springs and their head removed after.

He sinks down into the water a little further, trying to persuade himself to relax. Thinking about their headless visitor is not conducive to relaxation, as it turns out.