Originally Posted by
Aidoru
Basically gotta beat all the main targets to unlock the next zone. Think there's only 3 zones. Each area seems to have 3 extra enemies, those convoys, they drop nice stuff but can only be battled 3 times each. You can keep attacking the main enemies endlessly it seems but still uses rations.
I didn't know that since there was no counter so after clearing a convoy 3 times til the koban pop up shows up, I figured I was done so I left to do other stuff. I was wondering how people were in the hundred+ thousand damage range without spending a bunch of koban to try again, now I know.
The reward for the amount of effort it takes doesn't seem like it's worth it though.