Responses
Yes, he knows. From previous time line when he took his life. He asked Sion to perform a miracle proving that he is true holy king. But he performed a miracle that sent him back to time where pavel got his stigmata. Now in present timeline when he wanted to prove Sienas as a false kind during coronation. When he first met him in his chamber right before the coronation. He realised it wasn’t sienas anymore but sion himself possessed the body of Sienas. So, he fell in love with him all over again.
Does Pavel know that he's Sion? Idk maybe he travelled back in time too