Meruem - The End (Again)

Meruem is the firstborn son of Adam and Eve who was born in the garden of Eden before original sin, after his parents were tempted by the Devil and fallen from the grace of God, he was the only one who remained firm and faithful in God's laws and not fell into disgrace like your parents.

Powers and Abilities
Being among some powerful existing entities, Meruem has immense power, allowing him to do almost anything he wishes. Meruem is described by Lucifer as "powerful in ways that defy description." He is far superior to demons and angels, as well as other supernatural creatures, with only Jesus Christ being slightly superior to him. The only being infinitely more powerful than he is God.