Thanks for the suggestions! Special battles to unlock characters sounds like a great addition, I'll keep that in mind for now as I'm trying to squeeze out as much characters possible.
1. I'm still learning about how to mingle with this new muscle growth Lora, but I agree, she could be bigger! I'll try again next time for the next mon.
2. I'm thinking you're suggesting about multiple growth paths for the same mon right, say a muscle growth route for Eevee, that's possible, once I have enough characters for the game. Or if you're stating about having multiple characters in the same story, which I'll try to challenge that with the Eeveelutions.