Born Warhammer, but I'm an Alpha Psyker

(The plot of this novel is for entertainment only and has no impact on the plot of Warhammer itself) This is my first time writing, please forgive me if it's not good, For the Emperor! Introduction: The protagonist, Steiner, is the eldest son of a mid-nest family on an ordinary planet in the Extreme Star Territory. His parents struggled to get him to attend the Loyalist Academy and successfully graduate. After graduation, he was successfully sent to the political commissar with good grades and controllable psychic talents. As a result, his first mission was to clean up his home planet, which almost caused him to have a mental breakdown. Later, he successfully joined an Astartes warband/warband before the age limit and by chance. Yes, that is...