User blog comment:Xilinoc/Ch. 556 - The Wolfsbane/@comment-10301320-20131107031818

With the reveal of his clans "curse", the name of Sajin's Bankai make a ton of more sense as both translations refer to punishment or retribution. This begs the question of whether or not Kubo planned the whole Human Transformation Technique from the introduction of Sajin or if this is just good improvisation on his part.