The current pet training system sucks, have to spend a lot of Silver Coins to train just 1 point of status of the pet (more points only if is spending on the pet health), come on.
Also, it is very confusing to work on it, even more because you have to make up the pet build,
for example, you can make your pet demi immortal on early levels if you train your pet up to 100 of Evasion.
Also, does the pet attributes even have a limit?
I would suggest to make the pet status system be kind of like the player status setup, to make it more clearer, understandable and easier to handle.
Also, to make the pet more special, it could also have attributes to boost it, and even teach him some skills that it can use in combat.