* To enter Mordred's castle, press all four panels in the 2nd row, the middle two panels in the 3rd row, and all four panels in the 4th row of the puzzle.
In the final battle scene in the Bard's planetoid castle, use the "skip" button to skip the video after you see it the first time. The battle is easier once you know how. (You and Merlin share a limited amount of health, so avoid being hit or you must start over.)
Basically, Merlin will be picking up the bombs and dropping them on the robot suit, then your player will have to climb to the chandeliers to trick Mordred into blasting them down on himself.
Into the castle. To follow him, you have to solve the puzzle door. (see the related question)
Solve the door puzzle and battle Mordred to save the (real) Princess. (see related questions)
Solve the door puzzle (he's Mordred) and battle his robot warrior suit. (see related questions)
Solve the puzzle door and enter to fight Mordred's robot suit, first as Merlin then as your character. (see related question)
(There are several answers at the related questions below)
Click everything in the 2 row, the 2 middle ones in the 3, and everything in the 4
You can click on the door behind "her", but if you give her the weapons, you have to solve the door puzzle to enter the final battle against Mordred. (see the related question for the solution)
To solve the puzzle, you have to press 10 of the panels exactly once each.They are :All four cards in the 2nd rowThe two middle cards of the 3rd rowAll four cards in the 4th row.
Solve the door puzzle to follow him. To solve the puzzle, press each of these "cards" exactly once each: all four panels in the 2nd row the middle two panels in the 3rd row all four panels in the 4th row (the order in which they are pressed makes no difference)
On the secret planetoid (X11 Y82), you can draw the Golden Key from the crystal, opening the path to the castle in a far galaxy. To enter, you will have to solve the door puzzle by the Binary Bard. (see related question)
To solve Mordred's door puzzle, press 10 of the 20 panels exactly once each :all four panels in the 2nd rowthe middle two panels in the 3rd rowall four panels in the 4th row
To enter Mordred's castle, solve the door puzzle. Click once on each of the 4 cards in the second row, the two middle cards in the 3rd row, and the 4 cards in the 4th row.