Lord of Mysteries, as mentioned in the alt text. The textures are detailed; the movement style/motion is also astonishing. It's a total show-off by animators. You will see many greatly animated scenes, which you can term as extra (or unnecessary). Moreover, it's highly rated. English dub recommend; since it's based in a Victorian empire. Currently only Crunchyroll provides best bitrate (at least for this particular one); it may not look so good on lower bitrates.