you go across the chains to the end of the dragon drop down and go to theswitch in the middle of the dragon click it and run as fast as you can. click on the ice arrow and shoot it into the mouth. do this three times and it will fall into the lava
you make it go to sleep and shoot it in his mouth 4 times
in fire planet you have to jump on lava rocks then you find the fire king then he will give you a sniper (not) really he will give you a ice arrow so you can defeat a dragon :D :P 8-]
you use your spaceship.
fire planet
the coordinates for the fire planet are 83:19. P.S. I'm awesome
Answer: You can get to the fire planet but to do so is to go and keep jumping on the stones.
you have to defeat the mechanical dragon.
Go behind the monster, climb on its back, pull the switch, then go in front of the monster and shoot the ice arrow into its mouth. Do this 3 times and you will defeat the monster.(see the related solution)
Rocket Thruu!
A fire dragon is inside the valcano.
On AstroKnights Island. On the fire planet.
There are some really good videos on YouTube that show you how to do this. Try searching on poptropica fire planet platforms to show you how to get to the top of the volcano.