Blade of the Immortal (ONA) Episode 16: Altered Limb
Episode 16 of 24 of Blade of the Immortal (ONA), aired January 23, 2020, 25 minutes. Available with English subtitles and dub where released.
Episode summary
Ever since the Dewanosuke incident, Burando kept making blunders. He is finally thrown in solitary confinement by Habaki, and goes insane. But as a result of his madness, Burando grasps something important about the immortality experiments. That humans are essentially otters. Meanwhile, Rin and Doua resolve to infiltrate Edo Castle to rescue the surrounded Manji and Isaku.