Multi-blade Chaos: Honestly the whole technique seems like chaos and difficult to understand. I'm finding it hard to wrap my head around what exactly happens with the technique. From what I'm gathering, it's release a bunch of weapons which hit your opponent, launch them into the sky and then bring them down with a chain. Seems simple enough when you think about it. I just don't see why you wouldn't just use the chain and forget the weapons. That alone seems much more useful than using a whole ton of weapons for a jutsu. Either way, I suppose there's some merit of creativity here with what you can do with it. Nothing in the technique specifies what weapons you have to use, or how many. I'm guessing if they're restricted to basic weapons or those used in Twin Rising Dragons. I'd guess this would extend past kunai and shuriken into other weapons like small steel balls, kama and so on, depending on what goal you're trying to achieve.
This really isn't that much of a versatile technique, aside from what you can use in the initial release of weapons, which quite frankly wouldn't make a huge difference in the long run. It's seemingly basic in what it does, so nothing really stands out in terms of real strengths. If anything, there's the obvious part that it knocks your opponent into the air which makes dodging incoming attacks tougher. But then again everyone has a way of getting out of those kinds of techniques these days. Wind or Earth would be the best option to defend against the weapons and make fine counters to this technique specifically. It's got a niche use like every technique does. There are easier ways of doing what this jutsu does that aren't so...overt.
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Weapon Gun: I really don't understand the concept of this technique. You shoot weapons with your feet somehow really fast, it doesn't make much sense as to why you'd use it. But anyway, it seems to be just a technique where you throw/kick/whatever action with your weapons directly at your opponent. It's directional, fast and just takes up too much time to use when you could just do something else - almost anything else to achieve the same result without as much strenuous activity.
I'm not really sure what would constitute as advantageous with this technique, there's too many technicalities going on to make much use of this. The strings I'm sure can be used to redirect these attacks in any direction they wanted to, but at the same time you could do that with other techniques and have a much easier time doing it. I just don't see much use out of this technique.
This really isn't that much of a versatile technique, aside from what you can use in the initial release of weapons, which quite frankly wouldn't make a huge difference in the long run. It's seemingly basic in what it does, so nothing really stands out in terms of real strengths. If anything, there's the obvious part that it knocks your opponent into the air which makes dodging incoming attacks tougher. But then again everyone has a way of getting out of those kinds of techniques these days. Wind or Earth would be the best option to defend against the weapons and make fine counters to this technique specifically. It's got a niche use like every technique does. There are easier ways of doing what this jutsu does that aren't so...overt.
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Weapon Gun: I really don't understand the concept of this technique. You shoot weapons with your feet somehow really fast, it doesn't make much sense as to why you'd use it. But anyway, it seems to be just a technique where you throw/kick/whatever action with your weapons directly at your opponent. It's directional, fast and just takes up too much time to use when you could just do something else - almost anything else to achieve the same result without as much strenuous activity.
I'm not really sure what would constitute as advantageous with this technique, there's too many technicalities going on to make much use of this. The strings I'm sure can be used to redirect these attacks in any direction they wanted to, but at the same time you could do that with other techniques and have a much easier time doing it. I just don't see much use out of this technique.