Board Thread:General Discussion/@comment-25814498-20150505201606/@comment-25814498-20160311223342

No, I'm pretty sure it's manipulation. If your not using Nen then it means your Conjuring a signal that directly affects the brain in complex and wild ways, causing vivid hallucinations and inducing intense fear. With Nen it's pretty simple, Manipulation can almost certainly achieve this, but if it isn't you'd have to find and research a completely different wave which affects the brain in the ways you want, which is so absurd I won't even go into detail. I'm not saying it's impossible, just really, really, really, really, really, really, REALLY impractical considering how little we, you and everyone else knows about the human brain.