Ah my bad, I wrote this when I just woke up, let me explain more.
First of all I say it is a good idea in general what you propose, but it's certain aspects which I dislike, in this case the combative bits. It's to keep things simple, if you ask me- the simpler, the better to remember. If you now bring in training groups (means more organisation needed as well, else they die out fast..not to mention newbies, and you make this weekly? Many leave soon you know...) at the same location, there's bound to be attacks from others they do not wish, for example.
The other issue is with creatures, we have enough supply via Protectors/Quests already as it is, or on request sometimes. I really don't see a need to spread them that much more, some I think should be recruited by themselves as well.
As for the SG issue..people keep bringing the unattended for time thing. Well, perhaps I should just take it up to silence that argument, but if it goes the same way as the last time, I won't get any PMs even if they complain to themselves about it..and of what use is it then? But I digress, this is about your idea.
To sum it up I welcome your try, but I think you ought to focus more on the newbie help then, because the combative things will be harder to implement, and may as well cause more chaos. If you do manage to pull it off, I have no doubt that it will require a LOT of time tending. And if it works out fine, but if it doesn't, we have another set of things which confused the newbies as for rules (the more you add, the more confusing it can get)..that's what I meant with I would be against it.
If you'd set the combat related things in another location, it would weaken my arguments, it's just that I think the park has enough rules as it is.