Thread:Kushieda minori/@comment-25000380-20151016034128/@comment-25000380-20151016035954

com.nubee.valkyriecrusade>files>battle>bg (or map)

But they seems to replace the pics event after event, so probably we lost the previous BGs and maps @.@

You can even find other stuff like "event chronicle" png for each event under the "cell" folder.