???: Hello there
MC: general Kenobi...?
???: not exactly, allow me to introduce myself I am what you will call a R.O.B
MC: a R.O.B?! does that means I am going to get reincarnated?!
R.O.B: yes my child you are... but before that can you tell me what are the last things you remember...?
MC: yea sure... the last thing I remember is being pushed towards a truck and someone saying "your ass is mine"...
R.O.B: I see it's as I thought... that truck did it again...
MC: excuse me... but by that truck you mean truck-kun...?
R.O.B: DON'T SAY HIS NAME! he has ears every where...
MC: I don't understand...
R.O.B: you see, normaly mortals where never meant to cross between worlds... but than a certain powerful god 'out of boredom' as he put it decided to change that... but due to the law of the gods that no living mortal shall pass between the dimensions he decided to kill them wich in turn forced our hand to send them to a different world as they didn't meant to die so early and for that they couldn't go to the afterlife nor could they come back to their world... and as it wasn't their fault for dying earlier than expected than we had no choise but to send them to another world and as a compensation of sort we gave them some wishes as well...
MC: wow... talk about sh*t going down...
R.O.B: you don't say... well now it's time to go back to you
MC: can I can see to which world I will go before making my wishes?
R.O.B: sure, you just need to spin the wheel over there...
And as the R.O.B said that a giant wheel with all sorts of names on it appeared
MC: okay... *spinning the wheel*
the wheel spinned for a couple of minutes before it finally stopped on 'Highschool DxD x Fate +'
R.O.B: oh... isn't that Interesting you got a world combo
MC: what is a world combo?
R.O.B: a world combo is a world that is made of a number of other worlds being put together into a single one... in this case the main world is DxD and Fate is interrogated into it... and the '+' means that there might be some more characters from other worlds that will be add, but due to their world not existing in this world their backstory/history most likely will be different and maybe their personality as well...
MC: I see...
R.O.B: well then, time for your wishes...
MC: How many do I get?
R.O.B: 3
MC: okay! 1st wish I want to be Lucifer with all of the powers
R O.B: okay... but you will have all of his memorys
[A/N: from now on I will adress the MC as Lucifer]
Lucifer: I wand DC's Lucifer's powers
R.O.B: sorry can't do that...
Lucifer: why...?
R.O.B: he is more powerful than the everyone in the entire world combined! sorry kido but the rulles clearly state that we can't grant a wish that will make the reincarnator more powerful than the world he is entering... how about that instead of that I will make it that like DC's Lucifer you will have angelic powers even though being a devil... so you will have immunity to all holy objects/powers, your magic will be holy-demonic instead of just demonic and you will also could enter heaven at will... also because of that your race will change "pure-blood devil" into "angelic devil"
Lucifer: for my 2nd wish I want to have the powers of all devil bloodlines and I want them to be 10 times more powerful than the real ones
R.O.B: very well... now it's time for your 3rd nd final wish...
Lucifer: for my 3rd wish I want to have 'Castlevania:lord of shadows 2'-'s Dracula's void sword but instead of it's ability being to freeze bodys of water I want to be able to aply my magic/powers to it and that it will work perfectly with them and that the sword will be soul-bounded to me...
R.O.B: ...
Lucifer: ...
Lucifer: okay what with all the awkward silence?!
R.O.B: nothing... I was just deep in my thoughts
R.O.B: well kid we are done here... but before I will send you to you new life here is a treat on my behalf: I am going to gender bend that arrogant pice of sh*t Gilgamesh to a girl that you could add to your harem...
R.O.B: also for your information polygamy as well as Incest are allowed in the devil society...
Lucifer: thank I guess and also I get the polygamy part... it's like who reincarnated to DxD and DON'T have a harem... but what about the Incest?
R.O.B: you will see kid you will see... okay time for one more thing: at which point of time do you want to reincarnated to?
Lucifer: 10,000 years before canon... for one: I want enough time master all of my powers and I don't want to be in the great war and all the nonsense related to it will happened... and for two: Artoria, Scathach and Jeanne, if god being died someone will need to whisper in her ear... and as you stated before hand gender bended Gilgamesh...
Lucifer: by the way what will happened with Jeanne from the hero faction?
R.O.B: about that... the plot will try to maintain it's 'guidelines' even though the changes... for example: due to Jeanne being 'conquered' by you than Jeanne from the hero faction will the inheritor of her legacy instead the reincarnation of her soul...
Lucifer: I see... can ask to do one more thing for me...?
R.O.B: I am listening
Lucifer: can you make it that I will reincarnat 3 days after the great war happened? to ne practise I want to reincarnat to tge moment lucifer awake from his 3 days coma that he enter due to him going all out against god...
R.O.B: care to explain why you want that to happen?
Lucifer: sure thing because if that where to happen I will have an excuse for the change on my personality and my new powers...
R.O.B: very well enjoy your new life... devil king Lucifer...
Lucifer: thank you!
and with that a the life of a new 'Lucifer' had started...