Of course. Just talking to the pond should be enough, right?

[Kizakura was about to go ahead and do it, getting as far as kneeling in front of the pond, but Nishitani, well...the moment he brings up that this may have consequences for the dead he freezes. That thought never crossed his mind]

...uh...you think something could happen to the dead? I mean, I think we all here are safe from danger, but I never thought the dead could suffer any consequences...

[Yeah, he's not into risking the lives of those who died. Or their afterlife. Whatever they are right now]