For 500 crowns, you can boost a pets stats in one area to 250!
You can Boost either:
Strength to 250, Intelligence to 250, Agility to 250, Will to 250, or Power to 250.
finally a idea that isnt very crazy this idea is great although i am not a fan of racing
There are some talents (battle) that varies depending on the stats of your pet like, balance it, spell proof, super shot? (the talent that raises universal accuracy), etc.