He looks briefly puzzled the compliment. Megatron doesn't know who Val's godfather is, so it's not as if he has a frame of reference here.

As the human's project comes to life, he recognizes the object she had been constructing. No Cybertronian worth their salt would miss the familiar shape and parts of a ranged weapon. So she was planning on going in by herself, was she?

"You believe you can handle this alone?"

There is no question that he could guard the gate, but humans weren't usually as hardy as his own kind, and she would be going to their house to start knocking doors.