Complex sentence: Ezekiel has come to verify that the flame, which has constantly burned orange, changed to white-something which had not occurred since the first messiah 2000 years ago, thus confirming that the second messiah has now been born.
Split into simpler sentences: Ezekiel has come to verify that the flame, which has constantly burned orange, changed to white-something which had not occurred since the first messiah 2000 years ago. Thus confirming that the second messiah has now been born.