The newest Zombies mode in MW3 brings plenty of new challenges and objectives to clear. You would also need to find keycards to get into certain locations like Strongholds, but they are not that easy to come by. During the Infiltrator mission, you need to find a Mercenary Stronghold Keycard and use it to get inside, and there are only a handful of ways to get the keycard. In this guide we will see how to get the stronghold keycard in MW3 Zombies.
How to Get Stronghold Keycard in MW3 Zombies Infiltrator Mission
You can get the Mercenary Stronghold Keycard through a few ways. Here we will see how to get the stronghold keycard in MW3 Zombies.
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The first and most easiest way to get the stronghold keycard is to visit a nearby Buy Station and purchase it for 2,000 Essence. If you are low on Essence, you can grind for it by killing zombies and mercenaries. Also, if you complete contracts, you will be rewarded with Essence. You can find contracts all across the map, so be sure to pick them up and complete them to get Essence and loot. Once you have gathered enough essence, head over to the Buy Station and purchase the keycard. There are infinite keycards available for purchase, you can get a couple of these and stash it away for future use.
The next method can get you a keycard for free, but getting it depends on RNG. Visit any Mercenary Camp and defeat all the enemies inside to get a loot crate. The rewards are random and won’t always guarantee a Stronghold Keycard, but it is one way to get it without using Essence. The second method is to destroy Mercenary Convoys. Killing all the Mercenaries inside the convoy can also have a chance to drop the keycard, but again it depends on RNG. You would have to run through several camps and convoys before you can get the Stronghold Keycard.
That’s all there is to know about getting a stronghold keycard in MW3 Zombies. If you like this guide you can check out our other guides as well.
