Board Thread:Naruto Discussions/@comment-3279282-20141115013312/@comment-4912646-20141116053858

Practically everything about Kirigakure:
 * Why Yagura started the Bloody Mist (prior to being controlled by Obito).
 * How Madara manipulated Kirigakure into making Rin a jinchūriki.
 * How Obito was able to perfectly control Yagura (implied to be related to Kotoamatsukami).
 * How Yagura died and Isobu was released into the wild.
 * Why Kisame believed Obito was Madara, despite seeing his real face.
 * How and why Kisame joined Akatsuki without knowing of Obito's involvement.

Other:
 * How Madara implanted his eyes in Nagato without him knowing.
 * Why and when Obito met with Danzō in secret.
 * Why Madara told Obito the White Zetsu were made with Yin–Yang Release.
 * Why Madara told Obito to use the black rods for the "Rikudō no Jutsu".
 * How Madara used Susanoo without eyes.
 * How Kinkaku and Ginkaku are related to Hagoromo.
 * Why Naruto and Minato have unique tailed beast transformations.
 * What is special about Black Lightning.
 * Sasuke and Kakashi's black-coloured Chidori/Lightning Cutter.

Unnamed/Unexplained Techniques:
 * "Cursed Seal Chains"
 * "Demonic Statue Chakra Blast"
 * "Chakra Draining Seal"