you have to gather all the knights that went out to find the princess then bring them to crystal gate (hint: one knight is found in the jungle planet one is found on the fire planet and one is found in the ice planet).
you go to the astroid belt.
then make sure you're at: x-9,y-81
The Crystal Gate is an asteroidat the coordinates 11,18Full walkthrough athttp://poptropicasecrets.com/walkthrough/poptropica-astro-knights-walkthrough/
you fly to a large asteroid in the asteroid belt and land there. that is the crystal gate when you climb to the top
If you're talking about the Crystal Gate on the meteor, the coordinates are 11, 82.
it is at the lightning door
go through the asteroidbelt until you find a large asteroid with a giant Crystal on it.
find the bloody key
There is no key when you get Hercules he brakes the lock
blah
you click on it.
you have to have Hercules!
its in lala island
You can't.