That's honestly a great foundation to build from, drawing lessons from your first game plus 20 years of gaming experience and inspirations like Final Fantasy and Ragnarok Online shows real intentionality, not just copying trends. The fact that it satisfies you as a creator says a lot too, that usually comes through to players.
Happy to help with introducing it to more players, that's genuinely where I can add the most value. Before we go further though, where have you been posting so far, just the YouTube channel, or have you tried other platforms like TikTok, X, Reddit, anything like that? Good to know what's already out there before mapping out next steps.
Also, would you be available for a quick call sometime to talk through this properly? Easier to walk through ideas and get a clearer picture of what would work best for A Record of Valkadia that way.