✝ Blue exorcist

You were recently grounded but some kids you had some past issues with showed up outside the church you live at, they lead you under a bridge and are about to torture you until a blue flame shoots from you

Astaroth: Ah, those blue flames are proof you are the scion of Satan

Father walks up behind

Father: Evil's are in their hearts, O lord Thou shalt destroy them and shall not build them up, Blessed be the lord.

he exorcises the demon

Father: So you have awakened