In the first part, to get into the town, you need a passport. If you are in the fortess, you have to throw stink bombs onto them so you can sneek past.
They are every were so wathch out
You have to dress like one of the guards to pass them, but you have to walk like regular people do.
use your ninja stuff and be quick and don't let the guards see you
in red dragon island you need to go to the bonsai hut to get a kimono from the lady and the kimono has a passport in the pocket that will let you get past the guards
in the same place you get the kimono and passport or you can say that its before you see the guards
You have to recieve training from the ninja master is the little hut near to water.
You get past through the guards while trying to get the keys to the door, and then you use your magic necklace to get out.
go to the west stairs and jump all the way up on the right side and defet the guards
go in the building and cut the bonsai tree and she'll give you a robe then they will see you are from there and let you by
To beat red dragon island, simply beat a red dragon. Don't forget to swallow.
you find it on red dragon island
in red dragon island