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Fallout 4
RequirementsEndurance 9
Level 1, 24, and 48
Level 50 (Nuka-WorldGametitle-fo4nw.png)
Ranks3 (4 Nuka-WorldGametitle-fo4nw.png)
EffectsRadiation regenerates lost health and feral ghouls will randomly become friendly
Rad count decreases on its own Nuka-WorldGametitle-fo4nw.png
base id0004d89e (1)
00065e22 (2)
00065e23 (3)
xx028a25 (4)

With the Ghoulish perk, radiation heals you, and it's possible that hostile Feral Ghouls actually become allies.

Fallout 4 loading screen hints

Ghoulish is a perk in Fallout 4.


The player can regenerate lost health from latent radiation just like a Ghoul without actually being a ghoul. The health regeneration rate increases with every rank, and on the third rank, feral ghouls can randomly become friendly toward the player.

The fourth rank added by Nuka-World adds another benefit, slowly reducing the radiation count over time and restoring health.