I wished to be able to quickly inform those on the surface of any occurrences should something go awry- however, [he adds, frowning,] I don't believe either of us accounted for actual death...

Oh- yes, crackers should surely be fine- if there's trouble at all then there shouldn't be time for them to be anything less than dry I would think. The most I can say I ever witnessed Ryou having trouble with perhaps was holding the mug during a particular crisis...Hopefully then, it should be much the same.