"Agh! Spider!" Gravan shouts as Rooth scrambles back to land. He takes a step back, and shifts into human form. Then he casts entangle, careful not to catch rooth in its radius, but encompassing as much area around the creature as possible, including part of the ground if possible, so if it drops into the bushes it will be entangled as well.
"Take some potshots. These things are gross."