Around the time of 18th century, this poem was rewritten by a Christian poet. Not surprising since that time, most people cannot read or write and those who can belong to the church. The author uses both Christian and pagan elements to define the character of Beowulf as a champion send by the "god" to get rid of the evil in the world. We can first see the Christian influence when the author mention Grendel as a beast out of hell and whose clan is Cain that had been outlawed by the Creator. The reference to hell, Cain and the creator is then linked with the violence culture of Angelo-Saxon. Other appearance of Christianity mixing with pagan traditions is when Grendel attacks Herot and it's people think it was a punishment sent by the god (Christian belief) and offers idols, blood sacrifice of goat, make vow to the their stone god in hope to drive this demon off (pagan belief) "sometimes at pagan shrines they vowed offerings to idols, swore oaths that the killer of souls.. and save the people." (175-178).
I also think in some way, Beowulf is like a Pagan allegory of Jesus Christ. When the story first begin, the narrator tells of a boy-child send form the god,