I know that in the episode Kakashi said that his sharingan copied the jutsu, but was that a correct translation? I mean, we didn't even see any sign of Kakashi using this jutsu at all... L Mars (talk) 20:06, December 18, 2010 (UTC)
- Kakashi said that later he saw inside his own mind, so I think that counts as him having copied and used the technique. Omnibender - Talk - Contributions 20:52, December 18, 2010 (UTC)
- Since Kakashi could copy it with Sharingan, no. Jacce | Talk | Contributions 15:43, August 13, 2011 (UTC)
- Because they go through great lengths to keep them secret and they're more complex than regular techniques so they're harder to deduce their mechanisms. At least, that's what I assume.--Cerez365™(talk) 12:19, July 9, 2012 (UTC)
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