Hanzo had stationed people to keep watch in every city in the Land of Rain.
Mifune, whose combat power was on the level of a Quasi-Kage, also patrolled the entire country. In a Land of Rain this small, anyone could be in serious danger.
If they were held up by Amegakure's shinobi, Hanzo could arrive within half a day. Combined with the wide area covered by his Salamander Poison, that made the Land of Rain a place from which scouts from other villages rarely returned.
[Amegakure: Hanzo has remained in the village for half a year without going out. The number of shinobi is unknown, and specific intelligence cannot be obtained.]
[Rain Capital: The Daimyo's residence in the Land of Rain. Five Kirigakure Jonin, 20 Chunin, 100 Genin. The number of samurai is unknown.]
[Rain Mountain Castle: A major city in the northeastern Land of Rain. Three Kirigakure Jonin, 10 Chunin, 50 Genin. The number of samurai is unknown.]
[Rain Aspect Village: A village in the southwestern Land of Rain. Three Kirigakure Genin and six samurai.]
Looking over this intelligence, which covered nearly the entire Land of Rain, Haku felt that if Yahiko hadn't been so determined to prevent the Akatsuki Organization from suffering too many casualties—and thus fallen for Hanzo and Danzo's scheme—there was a chance they really could have taken the Land of Rain.
While Hanzo hasn't caught on yet, I'll start by clearing out his men in the surrounding small villages. Hopefully, I can gather a few more Energy Points before facing him.
Haku hadn't forgotten his main goal in coming to the Land of Rain. Helping Yahiko's Akatsuki Organization was merely incidental.
[Go back and tell Yahiko to get his people moving around in places where Hanzo can learn about them. I'll work from the