"The players know inherently that this is a massive test match and one we're looking forward to greatly because every year All Blacks v Springboks is just about at the top of the list of the games we look forward to.
"I'm sure they'll be hurting after a couple of losses and I'm sure that's all they need [as motivation]. I'm sure if we were in that same situation we'd be hurting and I know how we'd try to respond. That's why we're under no illusions about the scope of this week.
"We know how tough these games are and we know the ability [they have]. They're certainly playing with a lot of intention, the Springboks. They are moving the ball and we've seen them, if you give them any space they can be very dangerous. We're expecting another one of our traditional battles."
He added: "We're preparing to play a team that historically, and I'm talking the last three or four years, have beaten us and pushed us really close. They're always physical, the breakdown's a massive battle, the set piece is a very even contest and they've got backs that can play."
In the midst of a 14-test winning streak, the All Blacks are evolving their game week by week, adding new things and taking away others. One of the most noticeable features was their kicking game. Whereas there was plenty of aimless kicking in the test between the Boks and Wallabies at Brisbane last weekend, the All Blacks are kicking with purpose and accuracy.
However, unlike in the World Cup pool matches in which they deliberately held back in certain areas, including kicking out of their own territory, Foster confirmed that most of their cards are on the table.
"Will our game evolve and change over the next six months? Yes there will be some tweaks, but right now we're not holding anything back."