In fact, this proved to be apparent in a part where he actually shielded for Sabre, his servant from incoming attacks. His naïve ideals lead him into thinking that it is possible to save everyone without harming the innocents. Growing up, he dreams of becoming a Hero of Justice, someone that is able to protect the weak, just like his foster father, Kiritsugu Emiya.
His hobbies include fixing a variety of broken things as an amateur mechanic. Shirou Emiya is a good-hearted and honest teenager who keeps finding himself in difficult situations due to his incessant need to help others.