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Z4K-97B is a synth found in the Institute in 2287.
Background[]
Z4K-97B is a hostile synth encountered in the Institute's reactor room during the quest The Nuclear Option with any faction. Z4K-97B, along with A-2018 and XPN-20A, will serve as the game's final boss during all endings other than the Institute ending.
Interactions with the player character[]
Interactions overview[]
| Interactions | ||
|---|---|---|
| This character is involved in quests. | ||
Inventory[]
| Apparel | Weapon | Other items | On death |
|---|---|---|---|
| Synth uniform | Institute laser | Reactor terminal password |
Notes[]
- Z4K-97B wears a special variant of the synth armor which is jet black in color and can be shot off by focus fire and explosives, much like power armor.
- Z4K-97B will always spawn as a legendary enemy.
Appearances[]
Z4K-97B appears only in Fallout 4.

