I would buy it...would you
So here is a garbage idea but I would still honestly buy it....so here it is, drum roll please.
Runterra (An RPG in the League of Legends Universe)
So hear me out you choose to play as your favorite champion and you get play out their lore...You could have interaction with other champs, fight in the wars, live through the harrowing, all of that... Can you imagine having like 140+ different story lines to play...Okay trash idea out of the way go ahead and down vote me into oblivion.

: traveling bilgewater causing trouble and then offer people a deal to get out of it
: being a demacian scout in noxus, assassinating people and flying with valor
: like prince of persia, surviving in the streets of zaun and being able to rewind time
: leading the Xer'Sai hunting down caravans
: get hired to kill specific targets, bonuses for creative killing methods