Unlike standard season passes or DLC packs, Version 006 is being marketed as a “parallel reality simulator.” The number “006” refers to the sixth major layer of the Infinite Tsukuyomi dreamscape explored in this expansion.
: The God Tree siphons chakra until the host's cognitive functions deteriorate, eventually leading to death. The Fan Project: "Eternal Tsukuyomi" naruto eternal tsukuyomi version 006 exclusive