im writing these for some future set ups and how some characters know the space marines because the space marine or ultramarines are gonna be the only surviving chapters because of some plot i haven't gotten to yet so im writing these just so i don't forget or you guys need explanation just come here so the next chapter is gonna be a few hours from now i have all these thought out just not written down so yeh
The Jarilo-VIChapter - the ultramarines first landed on jarilo-VI and they fought with the red head guy to save the planet but they realize the planet is not savable but the people are so they built the under ground city and belobog the ultramarines help the people create some kind of generator and super heater of something for the planet but they didn't have enough materials to build it or something but they did build the generator or now the engine of creation they were missing the key ingredient which is a mutated geomarrow but instead of yellow in color its black that is glowing in blue, mutated in eternal freeze so much so that its so cold it burns and that is put in the super heater and then the engine of creation is gonna power it then the eternal freeze is going to slowly melt away.(forgot to add Svarog would know of Space marines because he collects data and of those data were about the help provided by the space marines)
The Hunt Chapter - the ultramarines after helping and building for the future of Jarilo-VI they went and crash landed on a battle field of some kind the space marines got separated and Sepharos landed near a battle with jingliu getting surrounded by enemies and since jingliu is weakened and still fighting that impressed Sepharos and he helped her win and got her to her camp where her friends and apprentice they did something and helped find the seperated space marines and as compensation they helped in the war thats it.
The Flame Chasers Chapter - lo and behold the space marines crash land again because Sepharos is not a good pilot nor a good navigator anyway they crash land get separated and Sepharos meets Tribios out on her journey at first she was wary of him but then she got close with him and then they helped people saved some cities when tribios found aglaea and made her into her student she and aglaea and Sepharos created?/founded the holy city(Help about the holy city) and they acquired aglaea's coreflame but Sepharos decided to say goodbye to find his missing battle brothers and then...
The Last Stand Chapter - when Sepharos found pieces of astropathic communication he searched everywhere to find a working one and then he found one and then he got the bad news they were attacked by a black cloaked individuals and they were getting pushed back they sent a signal to their location and when Sepharos got there he saw that nearly all his battle brothers were injured so he fought and them to the end and then plot armor intervened and the space marines were sent to a meteor full of minerals where Sepharos put all his injured battle brothers to the infirmary of the ship and went to find if they had supplies they had some but when he was heading back to the infirmary the ships alarm system blared and he looked out the window and he saw two eons fighting and the meteor that their ship is stationed in got destroyed by the eons battle and he heard an annoying laugh then he got frozen and his suit went into hibernation mode(or something) and a few thousand years later the name of Space marine was forgotten and he was found by herta when she was bored she found his armor interesting but couldn't get him out of the ice(same ice a march but think of it 2x) so she left him in her trophy room where she also left a stellaron there but concealed.
there are some plot holes but we'll fix that when we get there so yeh bye