out of curiosity, why are you interested in doing this series of jams?
When we had started doing the regular practice game jams, there were some folks who were also specifically interested in doing something similar for TTRPGs and specifically. Basically I thought it would be something that could be fun and of value for those who might want to try a new genre of game development. I know I'd have to do a lot of learning on the subject myself, but I'm ok with that as it's also helping other people who might not otherwise find other jams/opportunities like this.
As a CRPG/JRPG/WRPG fan myself, I think it's also cool to explore another branch of RPG development as well.