...and on that note, the mud began to lose solidity, to the detriment of Raven. It made no noise, it was barely even noticeable, but it was certainly losing its ability to sustain human weight, and it was rather sticky stuff.

If the mud [color=gray](?)[/color] was lucky, Raven wouldn't even notice. The sight of Raven getting shorter would likely not be missed on Ivan, though.