Kyuukiki (Energy Consuming Demon) is the Kekkei Genkai of the Mukiga Clan birthed from the fallout of the Ten Tails' rampage and subsequent conflict with The Sage and his Brother. A clan wide mutation rapidly adapted to a bloodline ability that made the Mukiga one of the strongest clans during the Warring States Period and even into the modern era of ninja. The abilities of the clan are split into two variations, those who can consume chakra of the yin and or yang nature such as elemental or shape transformations, or even directly draining the yin and yang chakras from an opponent, with the ability to even manipulate the Yin-Yang chakra nature. Then there are those, a more rare ability within the clan, able to consume Natural Energy directly from the environment to enforce their own abilit