[Perhaps predictably, he doesn't seem chastised by the look, but on the other hand he also doesn't protest further. Clearly Sebastian's better trained than Lucifer.]
I am not sure you realised it, but it was already coming towards you.
[When he shot at it, that is. You're welcome?
--With that said he doesn't exactly expect a parade in honour of his heroism. He shifts his attention towards the monster, falling silent and gun half-raised but not trained on it, just in case.]