you try to beat it
you beat a sertan misson
You zap it until you beat it
you dont
you shoot the patronus charm at them.
After you have 100%, acquired Voldemort and rampaged the city, the game is essentially over.
There are several versions of LEGO Harry Potter. Each one has a different ending. Sites like GameFAQ and IGN have walkthroughs for the entire games for free. It is best to find a good walkthrough and get the details for the exact part that you are having trouble with.
beat the first level and press return to leaky cauldron.
To beat the dragon, you have to look on Youtube and watch walkthroughs on how to do it.
One of the men has a shovel, so you use him to get past this level.
To complete the whole game, you have to have purchased all of the characters and items as well as complete all the levels.
To defeat the Whomping Willow in LEGO Harry Potter for Wii, first, you need to use spells to free the characters trapped in the tree's branches. Once they are freed, focus on using the spell to knock down the branches. After that, attack the Whomping Willow directly until its health is depleted. Remember to dodge its attacks and keep moving to avoid damage.