User blog comment:Stefan Salvator/Who is More Powerful?/@comment-2602:306:83C8:95A0:31F6:7E49:EC90:B124-20191225102232/@comment-68.217.234.155-20191231055852

Good point about Jack having Michael's grace. Remember, he also got some of Gabriel's grace from the healer, when they were trying to cure him. He was powered up with 2 archangels's grace. Maybe he had some from Lucifer too by being his son.