Assuming we can stop arguing long enough to move this notion forward, the selection of nominees is greatly confounded by the myriad of relationships between development teams and parent companies.
A subforum for "Bandai Namco" would include most From Software games but exclude Bloodborne (Sony) and Sekiro (Activision, also not an RPG.) A megathread for the Dragon Quest franchise could be considered both Koei Tecmo and Square Enix. Nippon Ichi self-publishes in their home country but has had dealings with Altus and Square Enix in the past. So there's a huge lumper-splitter issue here just waiting to happen.
A subforum for "Bandai Namco" would include most From Software games but exclude Bloodborne (Sony) and Sekiro (Activision, also not an RPG.) A megathread for the Dragon Quest franchise could be considered both Koei Tecmo and Square Enix. Nippon Ichi self-publishes in their home country but has had dealings with Altus and Square Enix in the past. So there's a huge lumper-splitter issue here just waiting to happen.