In my opinion, the most important fix to add:
I present the next plan... The more pk´s you have the weaker your pet becomes. If you have 1-3 pk's the pet decreases 15% in power but after that gradually make it more till the pet is like 90% weaker once you reach 12-15 PK's.
Read this NCsoft: You will make money from this!!!!
All the (evil) PKers have to buy pk scrolls in the store to keep their PKing habit up. So it hursts their $$ wallet $$ and NCsoft gets richer <3
Best idea ever if you ask me. It will decrease the pk pet wars by 95%