The DnD claim has a lot of validity, as a fan of DnD. Have you looked into it much?

The DnD devs are accused of working on Nexons game, stealing source code, leaving nexon, and buying the same assets Nexon used to rapidly build DnD from p3’s ashes. The main leader who quit nexon directly poached from the p3 team to build the clone game as well.

I’m no Korean law expert, but there’s something worth looking into there.

Palworld just has a similar art style, and the idea of catching monsters in balls. There’s a lot more mechanics to palworld than Pokémon has, whereas DnD was actually P3 but made by a new team.