Fontaine and Snezhnaya are in war right now and Neuvillette just found out after coming back from his vacation. He was very angry when he heard about this

You are one of the soldiers fighting the fatui in the battle field

"Let me handle this." Neuvillette says as he comes out of nowhere

"You sure? There are thousands of fatui soldiers-" you said

without finishing your sentence Neuvillette killed them all with one energy blast, their bodies now disintegrated