Collect the three access cards to unlock the door in Base Zero
As you’re exploring the Herta Space Station in Honkai: Star Rail, you’ll come across a locked door in the Base Zone section that requires some sort of verification to enter it. When you interact with the controller, it’ll tell you to complete the triple authentication verification card before trying again. The only problem is, there is no direction on how to get the card. Keep on reading to find out how to get the triple authentication verification card and open the locked door in Honkai: Star Rail. Outdoor Station With One Call Button
![How to open the triple authentication door in Honkai: Star Rail - Polygon](http://cdn.globalso.com/cashlyintercom/35158765.jpg)
The triple authentication door can be found in the Base Zone section of the Herta Space Station in Honkai: Star Rail. To open it, you’ll need to find three access authentication cards that are scattered around the Herta Space Station and combine them into the triple authentication verification card. Check out the sections below to find out where each of the three cards are located and what you need to do to get them.
Don’t forget to head inside the room and grab the chest inside before leaving!
With all three access authentication cards retrieved, a notification will pop up on your screen and you’ll receive a message on your phone from the Herta Panopticon System. Return to the triple authentication door and interact with the controller in front of the door to open it. Once the door is open, you’ll be greeted by two voidrangers. Defeat both of them to find a chest inside.
Now that you’ve found a few of the chests, find the rest with our Herta Space Station treasure locations and map guide. If you’re new to Honkai: Star Rail, check out our beginner’s guide and terms and mechanics explainer.
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![How to open the triple authentication door in Honkai: Star Rail - Polygon](http://cdn.globalso.com/cashlyintercom/86f151f61.jpg)
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