Legends say I'm a hero, but am I not a corwardly pacifist ?

This story is about a young man named Martin, who unexpectedly finds himself in a situation that he wants to escape from with all his heart, transported to another world. But instead of a backward fantasy world, he finds himself in a Victorian era with strange overlaps with the situation of the Second World War. Between ideological fanatics and unscrupulous magicians who want to try with all their might to find out why magic has no effect on him, he must find a way to escape this crazy reality and not break under it. But unlike other heroes, it is not only his lack of magical potential and fighting power that holds him back, but also his mental barriers and values ​​that forbid him to kill. But what value does pacifism have in a world where killing is an everyday thing, can it be a way to save the world?