Don't use a rocket to deal the final blow because the body will fly off the side of the map and you won't be able to get the element

You can’t tame it and is very powerful

Why not just try hug the dragon to be yours if I was a dragon I would like a hug besides what’s it going to do

It's a little Sus that you can't tame it but you need Forcetame

Don't believe the other people. They are all talking about the wyverns.
The actual boss dragon is tough to defeat on hard difficulty.