Bella's moccasins are not rated for running. She goes sprawling and she's knee-deep in the snake a moment later.
Disinclined to bring out her sword in close proximity to Bella, she instead hooks her gauntleted hands into the snake's jaws and yanks them apart.
The snake makes a godawful noise and thrashes a coil around Sherlock, and Bella drags herself away from it. "Mulagarby-rothwick-ulfrancian-
All parts of Bella now being out of the snake, Sherlock draws her sword and cuts it in half.
But not for very long.
"Th-thanks," says Bella. "They're usually not that far up the bank."
"Rothwick-rothwick-rothwick," Bella mutters, holding her hands together until her legs stop bleeding, and then she does her cleaning spell again, and then she says, "Well, I'm down a shoe, I'm not sorting through snake guts for that thing, I'd sooner walk barefoot."
"Barefoot it is," says Bella, peeling off the other moccasin. "They only work as a pair. I'll make more when I get home, I suppose. Eugh. Bad watersnake. Okay, what do I have to get past the rest of them, what do I have... Sherlock, are you okay? Did it get a chance to squeeze you at all?"
"Okay. I don't usually come out this far and the last time I was with Kexan and didn't worry about the snakes, but I have a little powdered mercury-leaf, which I think will make us look like non-food with an associated elf-spell, I'm just not sure about dosage since there's three of us and mercury-leaf is expensive..."
"I will deal with any further snakes," she says.
They make it across the bridge without any other snakes trying to turn them into lunch. Bella trips with noticeable frequency, although she does land on soft Enchanted Forest moss and kip up uninjured every time.