[Atsuro had just been gaping at the Nidoking up until that, because Thunderbolt? Thunderbolt?! That's not supposed to happen, that doesn't happen by itself-- meaning there were either some very specific and unusual circumstances or that Nidoking came in contact with humans at one point. No, maybe just the old technology?.. That kind of thing was pretty popular before the war--

And then his attention gets snapped back to reality by Mari's voice. He nods at her hurriedly]

G-Got it! I can't do anything about it, but maybe I could help talk to it... And if it throws another Thunderbolt, I should be able to take care of it.

[That's kind of big talk for someone at the beginning of his journey as an Enlightened - he doesn't actually have the skill or experience to be able to handle something as big as that. But natural resistances are still there, and he's sure the attack won't kill him at least]