The 21st Legion (warhammer 40k and tts x male primarch reader)

in the 41st millennium there is only war. during the unification war of holy terra the Emperor of mankind fell in love with a female perpetual who was a psyker second only to the Emperor himself and from their union was born a child. this child is the primarch of the 21st legion The North star crusaders. when the primarchs were scattered the Emperor knew that if his blood son and wife were to live he would have to send his pregnant wife away from Terra to a unknown planet in a unknown system surrounded by a ring of fire that chaos could not penetrate. 4 months after arrival the son was born on a planet where humanity was divided into tribes he at the age of 16 began to unify the planet and build a fleet to unite the other planets in the system he named Polaris and after bringing the last planet known as Vespera under his rule at the age of 18 he met his father the Emperor and his brothers. when he met his legion instead of demanding their loyalty through birthright he pledged to be not just their leader but their brother in arms and put the lives of his legion above his own. the legion in response pledged their loyalty to their primarch and their new home Vespera would be their training world but eden the world their primarch was born on would be their home. by death glory and honor they will enforce justice for the imperium and fight its enemies head on unrelenting unyielding ripping and tearing until it is done even when Ezekiel's horn blows no more for they are the first into hell and the last ones back their souls burn the warp upon death and weaken chaos through a golden inferno. they are not mercy they are retribution they are not envious for they desire nothing they are not idle for they fight for a purpose they are not prideful for they take no joy nor feeling in what they do they are never alone for their primarch and legion are always beside them they are the Emperor's justice an unyielding and unending force messengers of death.