Best build for Le Peste

As we all sit waiting for Year 2.

I was thinking about the weapons we use to counter bosses. I never even tried Le Peste in seasons 1 or 2, but now in a small group he seems pretty easy. I built a bio hazard ship with all the green stuff on, his guns and the green furniture and the green glow armor, but then I got to thinking "Isn't that all the stuff he is suppose to like?". Is it like feeding candy to a baby?

So if that is so, what are were really suppose to be using against him? Electric, Fire, Blast, Puncture, Repair? Seems like we should shoot him with repair and kill him like them thing in the halloween event. Wouldn't it be just about anything but poison?

And is poison really just for PVP?