Recreating Civilisation with an Abnormal System RCAS

A former Hero swept up in the troubles of a Divine Entity that wishes to save its creations from the destruction of the void, leading the former Hero to return back home to Earth with an abnormal System.
Whereas the typical Systems focused on empowering the Host with abilities and skills that lead them towards immortality or more, the System bound to the MC rather wishes for him to develop others besides itself.
Rather than fighting against monsters in a dungeon to Level Up, the former Hero would need to generate enough sales from the new products he would create.
The former Hero would be able to employ various species as he expanded his influence in another world similar to an apocalyptic Earth
Using the help of fantasy races and species, the former Hero needed to both develop a business empire that spanned the planet, Earth, while also using knowledge to help further the evolution of the many races serving the MC.
Yet things aren't as simple as creating a brand and distributing finished products…