So one's success as a trainer is not only measured by their accolades but also by the creatures they choose to command.

[Makes sense to him. For trainers, the two go hand in hand, right? Even for this whole Rocket business he's been drafted into, it seems like one's Pokemon are the keys to their success. But he's sure he can make anything work.]

Then, in your opinion, which would say is the most challenging Pokemon to raise?

[In other words, what creatures are actually worthy of him?]