Battle Field: Some Forest next to a river...
" How does Crocodile get past Gaara's autoblock? The only things that I've seen penetrate it are rocket speed that can't be perceived by the human eye and energy blades. Croc doesn't have any of those does he? "Last i remember Deidara who uses Earth Element Jutsu, took out Gaara who uses Sand Jutsu which is a combination of Wind and Earth Element.