So first Omake on Space Battles, trying to be original, here goes nothing.
Children of Cain: Basteph a Promise Kept
Following the return of our Lord Liberator from his time in the custody of one Trazyn the Infinite he brought with him another in a long series of Children.
Beta-Pi Cain AKA Basteph Cain is a creation of the Admech, a child of Cain born of his blood, the Y Chromosome removed and the X doubled to create a female clone. Basteph is unusual from the usual Borg Techpriest in two Key ways: The first is that most of her flesh remains organic, with the exception of a cogitator in her head, a Panacea Injector with attached tank of Panacea, and four specialised mechadendrites that have been attached to her back, the second is that each of these augmentations have been created with Necron Xeno-tech.
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Beta-Pi Cain understood that she was different from a early age, when the nightmares first started.
In her sleep cycles Beta-Pi sees the sight of a world scorched by the rays of the sun, her people burned and their bodies ruined by it's radiation, building massive tomb complexes to live in to escape the cursed sun, and being buried there when they die. She saw her people try to escape the sun, and were met by the might of the Old ones. Older than they, older than any of them could dream to imagine under the might of a cursed sun. We reached for the aide of the old ones, and were struck down for our hubris, but we had learned while we were away from our cursed star.
We learned that our world was unusual, our sun should've been healthy but it was not, so we dug deep, and there we found the Sun Eaters the C'tan. We trapped the Sun Eaters into bodies of metal of our own making, Necrodermis, we told them of our plight, of what they had done to us, and the offered their help. What they gave us was not help.
We were thrown into vats of metal, our flesh and souls scorned from us leaving behind not but bone and metal. We were thrown at the Old ones in a bloody war to feed the hunger for souls of our masters, and they threw horrors greater than the ones we had known back at us: the green skinned Krorks, the Pale Eldar, and other horrors I am scant to recall. We were killed, again and again, each time we returned to our tomb ships, our metal bodies reformed, and then thrown at the Green and Pale ones again and again the Nightmare to never end.
The Sound of a violin playing echoed throughout the halls of the Liberation Palace, Beta-Pi giving her father a private recital of the Violin. She would play in public but she feels her skills lacking.
"Father. I have a inquiry." Beta-Pi asked breaking from her playing for the time being.
"You don't need permission to ask me a question dear." Cain stated as he drank from his mug of Tanna.
"I possess memories but I do not know the origin, they do not align with my current knowledge of the world. When I look up at the sky I curse at the sun and I imagine it eating me but I know not why."
Cain paused for a few moments as he pondered the question and it's implications.
"There was once another you." Cain stated in simple terms.
"Elaborate." Beta-Pi asked in simple terms.
"The memories you have are from a long time ago. You can't handle them all at once, others have tried to bring you back before now but I haven't succeeded. I'm told that you will remember them over a period of time, so perhaps one day you will remember everything."
Beta-Pi looked down at her instrument.
"Inquiry. Why have me learn this instrument, it has no practical application. Did this 'past self' play it?"
"You play it to enjoy it Basteph. If you don't enjoy playing then you can find another hobby, but your life cannot be war and nightmares, or you'll go insane and we're trying to avoid that." Cain explained as he looked through more sheet music for his daughter.
"Inquiry. I feel as though my music is lacking but I still know not why? I have performed accurately according to instructions provided."
"You need passion dear. Making mistakes when you play is fine, but playing without passion is not." Jurgen approached Cain and whispered something into his ear.
"Passion? I do not understand."
"That is why I am attempting to teach you." Cain explained as he buttoned his uniform. "Why don't you keep practising for a while? Or go speak with your siblings and Learn some more of their passions."
"Good day to you father."
"Good day Dear." Cain once again lamented that he would always be given the task of raising monsters into sane and stable human beings, at this point in time a Necron shoved into a human skin suit to try and relearn being organic from the ground up didn't even register.