How to Unlock the Triple Authentication Door

The Triple Authentication Door is the Base Zone's locked door in Honkai: Star Rail. Check out how to solve the puzzle and unlock the door with this guide!

How to Unlock the Triple Authentication Door

Collect 3 Key Cards for the Base Zone Door

Defeat Formidable Foe

As you help Arlan assist others during the Road to Revival mission, there will be an optional fight in the Base Zone cabin that you need to go to. Defeat the formidable foe to get the Access Authentication.
Road to Revival Mission Guide

Pester Man with Afro

Go to the Master Control Zone and look for the Man with Afro. You will need to interact with him five times before you can receive the Corporate Access Authentication from him.

Go to the Storage Room

The Thousand Stars Access Authentication is found in an elevated room in Storage Zone (F1). You will need to use the control devices scattered around the area to activate the missing pathways and reach the room at the top.

	Elevated Room Walkthrough
1	Activate the device at the indicated location so the blue pathways appear.
2	Cross the blue pathway and head over to the ring-like platform. Look behind the storage boxes and activate the device so that the orange pathways appear instead.
3	Go up the ramp and cross the first orange pathway. Activate the device at the indicated location so that the blue pathways reappear.
4	You can now reach the elevated room by crossing the blue pathway. Investigate the glowing area to receive the Thousand Stars Access Authentication.

Head Back to the Door With All 3 Key Cards

Once you have all 3 Key Cards, make your way to the Base Zone Locked Door by teleporting to the Monitoring Room space anchor.

Use the 3 Access Authentication cards on the controller to unlock the Triple Authentication Door.

Triple Authentication Door Location

Located at the Base Zone

Once you have all the Triple Authentication Door access authentication keys, you can submit them to the controller and unlock the Base Zone locked door.

Take note that there will be formidable foes inside, so be sure to heal your party at the nearby waypoint before heading in.

Triple Authentication Door Rewards

Unlocks Emptiness of Locus Silentii Mission

Once you acquire all the 3 Access Authentication aboard the Herta Space Station, the Herta Panopticon System will send you a message. This will commence the quest for Emptiness of Locus Silentii.

Emptiness of Locus Silentii Mission Guide

Get a Free 4-Star Light Cone

If you successfully defeat the formidable foes, you will unlock the chest in the room that rewards you with The Seriousness of Breakfast!

Other Unlock Rewards

Triple Authentication Door Unlock Rewards
Stellar Jade x30	Trailblaze EXP x30	Adventure Log x2
Hertareum x90	Credit x5000

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