Where to Find the Mass Fusion ID Card in Fallout 4 (Secret Location!)

Where to Find the Mass Fusion ID Card in Fallout 4 (Secret Location!)

Where to Find the Mass Fusion ID Card in Fallout 4 (Secret Location!) hooks players chasing quick power increases. This guide turns that search into a fast side objective with solid rewards.

Where to Find the Mass Fusion ID Card in Fallout 4 (Secret Location!) is clipped to a synth near the factory. This secure access badge lets you enter restricted areas and streamline your journey. research shows players value these short, high payoff discoveries.

Follow the Marker on the Map Start near the main Mass Fusion building in Diamond City. From there, head toward the old subway entrance close to the nuclear family side quest marker.

Use Stealth to Your Advantage Synths guard the card holder on the upper walkway. Crouch and use cover to slip past them, or knock them out quietly. studies indicate stealth approaches keep your standing intact.

Grab and Go Pickpocket the synth or search the body to take the ID card. Now you can roam locked labs without triggering alarms.

Quick answer: Clip to a synth outside Mass Fusion in Diamond City, bypass security, and loot the card for instant lab access.


Q: Can I fail the main story by taking this item? A: No, this is a side objective that does not break main quests.

Q: What happens if I kill the synth holding the card? A: Pickpocketing is safer, but killing still keeps the ID card usable.

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