Somewhere you might not guess like in the dudes bag
you find it on red dragon island
lolwut?
te cagas
buttt
there is no key. you have to cut the rope with the ninja star
YOU go to red ninja island {red dragon island
To beat red dragon island, simply beat a red dragon. Don't forget to swallow.
on red dragon island. don't you know that?
a ninja master will find you and train you
You have to get the key to the final gate, and then go to the final gate and get through. After that the game will guide you. Good Luck getting past the guards!
in red dragon island
If its the one to free Jack and Annie, then there isn't one, you have to shoot it down.