Khác biệt giữa bản sửa đổi của “Muggles' Guide to Harry Potter/Magic/Expelliarmus”

 

# In the seventh book, it appears that this is taken to be Harry's "signature spell". Why would that be?

# In the seventh book, we learn that there can be other effects from the use of this spell. What would those be?

 

== Greater Picture ==