Splash!

SPACE Alasdair runs, kicking up water with each stride he takes.
SPACE Garn hesitates for just a moment, his every instinct telling him to stand and fight, but the reality of the odds penetrates even his dull brain and he realizes he will be overwhelmed if he doesn't flee. Garn follows Alasdair blindly.
SPACE The bard twists and turns, following no recognizable path or pattern.
SPACE Left, right, right…

SPACE SPLASH!

SPACE The water engulfs them as the floor falls out beneath them. They scream and flail, fearful that the spiders will catch up. They surface, treading water and looking about their surroundings. Their torch extinguished, they are helpless to do anything but await the arachnid strike.