From the Bulbapedia Wiki, it seems Sceptile is based on a Dilophosaurus so that's where the Dragon Typing comes from. (Btw, Dinosaur = Dragon in Pokémon lol)Blazevoir wrote:
Anyway, does anyone know the reason behind Mega Sceptile's typing and Ability (Lightningrod)? My guess is that it's based on a Japanese pun just like how Mega Ampharos made way more sense in Japanese, but I could be wrong.
As for the ability. I'm in agreement with Azure