There is no best levitation out there. Every effect has its pros and cons. King Rising is good but you have to watch out for the angles. However if you realy practice it and learn how to master it, you will do just fine.
It takes confidence to effects like these. If you are really nervous then you have propably not practiced enough. This is not a push button effect.
Neo Rise is also good. Many people would dissagree with me on that part. I've gotten great reaction and that what I want. It works well. So in my opinion, its good.
How could I forget. Andrew Mayne has a booklet out on levitations. Its called Touching Sky. It teaches you 6 diffrent ways of levitating. Some of the levitations taught can only be done on stage. Broom Flight is the best levitation in the booklet. You learn how to float like Harry Potter.
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Tor