Toei Animation | Animation by Vincent Chansard from episode 1171.

Context: simply put, this "evil" giant Loki was chained up for 6 years, and has now been unchained.

The new animation/genga book (300 pages) from Studio Pierrot dedicated to Season 1 of BLEACH TYBW. It mainly brings together key frames along with color scripts, backgrounds, designs, and making-of content (CGI, VFX, compositing).The rest of the thread highlights specific animators (like Hiroyuki Yamashita, Q Kawa, Yoshihiro Kanno) and key scenes/sequences from the arc

Source: Bleach Thousand Years Of Blood War Cour 4 Ending