Hunter x Hunter is teaching you how to use your aura

Watch this scene in HxH please & Listen to exactly what he says.
They're literally teaching you spiritual applications of how to use your aura outside your body.
He took some arua from his hand, condensed that arua/ aether into a ball & blew smoke from his pipe into the ball of…

How does it form into a ninja? He used his imagination to do it. Remember when I talk about synaesthesia & strong imagination to the point where you can see what you're thinking outside of your mind right in front of you? This is the best example you'll find, live manifestation

Btw this ability is called a thought form. It's when you make something out of thin air with your thoughts. It formed from your thoughts, so it's called a thought form. This man's ability is to manifest objects with his mind to carry out commands. In this case ninjas.