so, a little thing of nerdism, Invisibility would have been broken when he casted Dancing Lights. Albeit, Dancing Lights is a cantrip that does not use a spell slot, it is still considered a spell. The text on Invisibility says that the spell is broken when the target attacks or a spell is cast.
ch 20 Chapter 20
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Because on Harry Potter, wands don't really do anything extra besides channel magic. You could argue that it's because it's a whole magic system etc. But remember that in all seriousness, Harry Potter works like D&D without spell slots or leveled magic. Spells need Somatic components which are replaced by wands, Verbal which is the utterance of the spells, and in the case of becoming an Animagi has Components to use magic.
Harry Potter Natural
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