Foresight is
purchasable for $20,000, so it’s very much a late-game thing. You
can’t get it from buy stations either - you’ll need to head over to a special bunker in order to get it.
These are the same bunkers you need to go to in order to buy the Bombardment killstreak after completing the zombie mission. There are three locations, all circled on the map below:
What does Foresight do in Warzone?
Foresight has an extremely powerful ability in Warzone. It costs $20,000, so it’ll have to be pretty damn strong. Well, it
allows you to see all future circles in the match. This can give you a huge advantage in Warzone, because of the potential to find the final circle and camp it out when the game comes to a close, taking up a power position when you fancy it.