User blog comment:Patrick x hunter/some nen ability's do not work/@comment-5780397-20150918233309/@comment-1843762-20150919115520

Some fair points there :P. But for me there are 2 types of nen. Well,.. let me explain. I assume that all nen abilities require a basic level across multiple fields (which is too low level to class as using that ability). What I mean to say is, with manipulation,.. you can: In terms of ability here then, I would class "B" to be the true meaning of the "manipulator" category. But of course "A" is totally valid too. (I guess what I'm getting at, is A= control of your aura and B= using your aura)
 * A - manipulate (i.e change/control) your aura
 * B - use your aura to manipulate something or someone.

To turn your aura into a toxic gas, you need to physically change its properties. (into gas form and some kinda toxic compound). So it would be Transmute right? You're not conjuring it, even though your making it. But Transmuters need to be in constant contact with it, so a level in emmision would be required. Again though, for me Conjure is to create an object or something completely different by using your nen as a source. So i see your concept as "summoning" toxic gas. (to which are not physical objects or with a unique property.)

I completely agree with your killua lightning thing though. And I still think Ice would be tranmute+emmission. Changing the property of your nen to match something similar to ice. (not exactly the same though same reason as kil's electricity). So upon contact, emmit arua around the target, then transmute to freeze.

What's your thoughts? And sorry I hate writing long paragraphs :S