A man with green eyes and a muscular body running through a city

"Generate a digital illustration of Eren Yeager from the Attack on Titan series, showcasing his transformation and evolution throughout the story. Start with his appearance as a young and determined Survey Corps member, wearing the iconic Survey Corps uniform and wielding the vertical maneuvering equipment. Illustrate his intense and determined expression, highlighting his unwavering resolve to fight against the Titans. Then, transition to his later form, emphasizing his Titan shifter abilities and the changes in his physical appearance. Show Eren's colossal and powerful Titan form with intricately designed details, such as his glowing green eyes and the steam emanating from his body. Incorporate dynamic action into the illustration, with Eren using his Titan powers in a battle against other Titans or in a pivotal moment from the series. Capture the complex emotions and character development Eren undergoes, from his initial desire for freedom to the challenges and moral dilemmas he faces as the story progresses. Ultimately, convey the duality of his character, as both a hero and a formidable force of destruction in the Attack on Titan universe."]