That record of kills is rather out-of-character, if you think about it. Would your character remember how many rats he or she has destroyed, or how many Ulbernauts hunted? More likely they would keep a barely accurate list, for whatever reason - and if so, this is something you can do yourself, with pen and paper. What would such a record of achievements do for you?
As for the open PvP, I'm sure we will have some areas where people can battle without challenges. There is an entire subforum dedicated to such a topic though, so I would advise you to read through it (and through the rest of Wishlist as well) before poking that subject :]
