Divine Authority?

...

Michael didn't acknowledge nor deny what Lycan had stated about the god that he was serving. But that silence already gave Shin an answer, it was no different from the seraph telling them that everything that the wolf had said was true.

It was pretty rare for a seraph to stay unmoved after hearing a repeated insult about the god that he was serving. Shin found it strange which made him a little suspicious of this particular servant of a god.

Then he heard Michael say. "The contract has now ended, so there is no need for me to keep you alive, isn't it?"

Then the air in their surrounding suddenly became heavy, making Shin and Zero have a hard time breathing. And at the same time, the sword of light that Michael was holding suddenly released a blinding light alongside heavy pressure that forced the two to kneel on the ground.