The Magic Boots can be found in Black Knight Showdown. It's one of the four pieces of Armor scattered around the castle in Return to Dark Castle. According to the game, "The magic boots allow you to stomp on smaller enemies like rats and snakes. They also offer some protection against traps like floor spikes." To stomp on enemies, you have to jump and land on them. Without the boots, floor spikes will kill you. With them, they hurt like a snakebite.