What is the best free special affects software?

i am a youtuber and i love making videos but i want more than just fake blood i want lightning light-sabers and Ki blasts for my videos what is the best (free) software for this because i am poorWhat is the best free special affects software?
You should look into Wax 2.0

It has quite capable just slightly complicated. You will find tutorials in youtube



http://www.debugmode.com/wax/

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