See the thing is Nephil is unable to use magic so the only way he can is by releasing built up magic from attacks Masamune has absorbed recently.
An angel, a knight, a man who will bring light to where there is only darkness, I am the Morning Star, the Bringer of Light, hail to me as I am King Lucifer!
And since Nephil doesn't know that, he believes there dead and will leave the duo alone.
An angel, a knight, a man who will bring light to where there is only darkness, I am the Morning Star, the Bringer of Light, hail to me as I am King Lucifer!
An angel, a knight, a man who will bring light to where there is only darkness, I am the Morning Star, the Bringer of Light, hail to me as I am King Lucifer!
An angel, a knight, a man who will bring light to where there is only darkness, I am the Morning Star, the Bringer of Light, hail to me as I am King Lucifer!