Ash's Sceptile, initially caught as a Treecko in the Hoenn region, quickly proved itself as a formidable battler. After evolving into Grovyle, it won numerous battles against larger foes ...

The newest opening for the series teased that it will be Goh that does so, and the synopsis for an upcoming episode teases it further as Goh and Ash take on a Flygon in the Hoenn region.