Went with Gen 6, but like with dragons it kinda feels like cheating since the gen "adopts" Charizard, Houdoom, Blaziken, Camerupt, and even Groudon while adding Fennekin, Volcanion, and this guy:
https://gamefaqs.gamespot.com/a/forum/0/047ff6df.jpg
"Foolishness, Dante. Foolishness... Might controls everything. And without strength, you cannot protect anything. Let alone yourself."
- Vergil, DMC3