this universe resides in a computer motherboard setting where the main 6  and the royal family must protect and preserve the inner core from getting infect by viruses that intend to use the inner core to infect other motherboards.

Twilight; has a rare power to detect viruses that are coming and their access points. 

Spike; has an assistant role he helps the main 6 with their equipment.

applejack; works in the Cpu minds collecting Dater shards for weapons and food. 

pinkie pie; works on turning the Dater shards into food and cakes.

pinkamena; is the other side of pinkie pie when she gets mad pinkamena shows her face but it's short just do not harm her friends 

rarity; it's charged to make the weapons  for the group but spike comes along and gives her a good hand

Rainbow dash; is a sky scout abled to ride the electro lines to get to places faster than the others.

Fluttershy; is in charge of healing  and looking after pony's that are hurt 

antivirus Celestia; she looks after the inner core when luna is charging 
                           
antivirus  Luna; she looks after the inner core when Celestia is charging 

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 villains

C pawn; are charged to do whatever their queen commands 

V pawn; thy take orders from their king  built to obey

Sombra; wants to force all the Motherboards together  so he can take their Avatar forms and make everyone his slave

chrysalis; her goal is to  take control of the inner core  to take over the 6 motherboard Zone's