I agree.

*Wes too takes a misstep, and fumbles to avoid catching himself with his bad arm. He winds up slipping on some digestive goo and counterbalancing enough not to fall, but his cry has alerted several shades to his presence. They begin shambling toward the two protagonists, moaning their hunger.*

I think a tactical retreat might be in order. Put your arm around me and use your "crutch." They're starving and weak, and surely they won't move very fast...