The style originated in (or was at least popularized by) Japan. That's why it's called JRPG. To address your examples: Undertale is a JRPG, Dark Souls is not (i

The style originated in (or was at least popularized by) Japan. That's why it's called JRPG. To address your examples: Undertale is a JRPG, Dark Souls is not (it's a WRPG). It's a genre, not a country of origin stamp.