You cannot kill the ninjas!!
go to the ninjas house
There is no Samurai Island on Poptropica. The island that has ninjas and sumo wrestlers in ancient Japan is Red Dragon Island. (see related question)
You have to kill the monkey first.
To beat red dragon island, simply beat a red dragon. Don't forget to swallow.
in red dragon island
you find it on red dragon island
Red Dragon Island is out?!
There is no statue on Red Dragon Island. (see related question below)
if you want this answer than you have to ask how do you beat red dragon island.
Get a team of adventurers and just kill that dragon.
when you turn pink while you are a dragon on red dragon island it is because your health is going down.
you defeat the red dragon