Board Thread:Theories and Speculation/@comment-1783334-20150412042402/@comment-26127155-20150412082338

Well Kakashi broke after 1 Tsukuyomi second, and he had a fully developed sharingan (3 tomoe). I assume Ibiki would be able to take nearly any form of toture, but I believe that tsukuyomi might be too much even for someone like him.