The action scenes in "Attack on Titan Part 1" are intense and suspenseful, with a focus on 3D maneuver gear that allows the characters to swing and glide through the air. The animation is crisp and detailed, with a blend of computer-generated imagery (CGI) and traditional animation techniques.

The movie follows Eren and his friends as they join the Scout Regiment and begin their training. They meet other recruits, including Levi (voiced by Hiroshi Kamiya), Hange (voiced by Yoshimasa Hosoya), and Jean (voiced by Yuki Kaji). The group faces various challenges as they learn to fight against the Titans, and Eren discovers his unique ability to transform into a Titan.

Mikasa Ackerman is Eren's adoptive sister and a skilled fighter. She is depicted as a calm and collected individual who is fiercely loyal to Eren. Her character serves as a foil to Eren's, highlighting the contrast between her disciplined and controlled nature and his impulsiveness.

On the day of their induction into the Scout Regiment, a group of elite soldiers who fight outside the walls, Eren and his friends discover that the Titans have breached the outermost wall, and their hometown is under attack. Eren's mother is eaten by a Titan, and he vows to reclaim the world from these monstrous creatures.

"Attack on Titan Part 1" is a 2015 Japanese dark fantasy action film directed by Tetsuro Araki and written by Tetsuro Araki and Tomohiko Itou. The movie is based on the first three volumes of the manga series "Shingeki no Kyojin" (Attack on Titan) by Hajime Isayama. The film is set in a post-apocalyptic world where humanity is on the brink of extinction, and it follows the story of Eren Yeager and his friends as they join the military to fight against the giant humanoid creatures known as Titans.

One of the primary themes of "Attack on Titan Part 1" is the struggle for survival in a world where humanity is on the brink of extinction. The movie explores the psychological trauma and emotional distress experienced by the characters as they face the harsh realities of their world.