They can shield bullets ? and a shot seems to be much stronger than a expelliarmus
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2welcome to the site! I believe your question though was already answered here: scifi.stackexchange.com/questions/2611/… – Justin C Sep 18 '14 at 13:02
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1interesting,thanx for the link Justin :) – FrancoAngel Sep 18 '14 at 13:27
