[ Thankfully, there's no argument to be had about 'seeing things'. If the other man is here under the same conditions he is? He's seen the other spectres in this place. He knows what's possible.

That soft face hardens with a severe expression, nodding as he looks back towards the bathtub. ]

I'd been looking near the bottom. The tiles appeared raised, as if someone had moved them recently. Then I saw movement from the corner of my eye...

[ His brow furrows, and he steps closer once again, this time addressing the once-more unseen figure. ]

I'm sorry for having disturbed you. If you'd be willing to help us, we would be most grateful.