Imagine you are playing a game where you can make up any creature you want. You might draw a picture of a dragon with wings like a bird, the head of a lion, and scales like a snake. You might give it special abilities like breathing fire, being immune to magic, or always knowing where treasure is hidden.
Now imagine that lots of people have played this game for thousands of years. They have made up all kinds of creatures that they tell stories about to scare or entertain each other. These creatures are called legendary creatures because they are legendary, which means they are famous or well-known.
Some legendary creatures are animals that people have never seen, like the Loch Ness Monster or Bigfoot. Others are a mix of different animals or have magical powers, like the unicorn or the phoenix.
Even though no one has ever seen a legendary creature, people still like to talk about them and imagine what they might be like. Some people even believe that these creatures are real and have sightings or evidence to support their ideas.
So, a legendary creature is like a make-believe animal that people invent to tell stories or believe in. It can have any features or powers that people can think up, and it's up to you if you want to believe in them or not!