The king.
it's in the astro belt at the bottom left coner area.you have to defeat the planets and have all the knights with you to get to the castle. once you have all the knights with you go to the astro belt then, go to the sword key and pull it out. after that you jump in the spining wheel thing.
The Castle of ArturusThe castle is just to the right of Main StreetThe Castle of the Binary BardThe portal is on a large asteroid near X-11 Y-84 in the Asteroid Belt. To reach the castle, you will need all three knights so that you can use the Golden Key.
A keep is on top if a hill that protects all the important people e.g. the knights
His castle is in a far galaxy, connected by the portal of the Golden Key. When you have defeated all three planets (fire, ice, jungle) and have all three knights, go to the Giant Asteroid at X-11 Y-84 to reach the portal. (see related question)
Mordered is on the secret crystal island that you can access in the asteroid belt once you have gotten all the knights. Be careful he is the princess waiting outside the castle so don't click on him.
The hideout of the Binary Bard is in the asteroid belt, near X-11 Y-82. You must have defeated all three planets and have all three knights with you. You can draw the Golden Key from the crystal and enter the portal to the castle of the Binary Bard, who is shortly revealed as Mordred. (see related question)
usally all knights lived in castles but a castle wasnt only a home lots of important duties were done there
The royal castle of the Kingdom of Arturus is just to the right of the Main Street on Astro Knights island. (there is an intervening ad space) The castle of the Binary Bard is located on a giant asteroid in the asteroid belt (X-11 Y-82). You cannot go there until you have beaten all three planets in the solar system (Fire, Ice, and Jungle).
Knights were required to practice and train each day. They were also required to guard the castle and the royal family at all times.
It is at X-11 Y-84 in the Asteroid Belt. You can only go there after you have defeated all three of the planets (Jungle, Fire, and Ice) and have all three Space Knights with you, so that you can open the portal behind the Golden Key.
Modred is in a castle, in a another galaxy. He has turned evil, kidnapped the princess, and has planned to marry her to take over the galaxy. To get to the other galaxy, you need to get the key on the asteroid, from the asteroid belt, ( You must accomplish defeating all beasts first, and have all three knights say they will accompany you on your qeust to save the princess). You will then be sucked into another galaxy, which is Modred castle.
you go to a giant meteor on the left corner with a castle on it and then you enter it climb up but you need all the nights to pull the giant key thing...