Re: orochimaru (not sick) vs 5 kages
The Katsuyu who's helping Sakura isn't a full Katsuyu, a part of her just helped Tsunade healing herself and the other kages (who as Suigetsu noted is quite a big slug).
Originally Posted by TheEvilOne
I meant those minis who attach to people in order to heal/protect them, the one who wanted to attack is like a mid Katsuyu (nor full nor mini).
My point still stands, Oro said that so as to gain her trust, to give her confidence, to make her know that if he doesn't behave accordingly he can be hurt, or at least she can do something that keeps him at bay.