Battle Chasers: Nightwar

And specifically the Top Ten Elements of Mechanics and Top Ten Elements of Fluff necessary to construct the quintessential JRPG:

I actually wound up writing a one-shot based on this work as a test-bed for my ideas and ran it a few months ago to great success. Considering spinning up the campaign proper early next year:

edit: I’m really happy you remembered that, @geewhiz ^_^