Hm!
Well I have this concept for one of my active characters, though I'm not sure if I'll actually put it to use in the rp as it would basically... Wreck everything we have previously established.
I don't wanna go into detail too much as I don't wanna spoil anything in case my rp partner from...
Victorian age male underwear.
Not sexy.
Also researched the space-time continuum and the anatomy of the human shoulder and skull...
The history of Pablo Gilbert
And how to perform an eye surgery...
1800s East India trading company ships...
How to perform an exorcism...
How to build a...
It really already starts in the planning phase, imo.
When you're world building or plotting and both contribute to the plot, both are excited about it and throw in ideas and twists and suggestions.
I've had so many rps where my partners just went 'okay' and 'up to you' about literally everything...
That would be a 1000+ pages group rp I started way back in 2016 on another site.
There was so much character development, story development, bonds formed and shattered and a million stories to be told.
Sadly, it ended when the entire crew at some point was fed up of the overly controlling mods...