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Ghoulish is a perk in Fallout 4.


This perk functions by healing a multiplier of any rad poisoning you receive. At rank 1, 50% of rad poison received is healed as health; at rank 2, 100%; at rank 3, 150%; and at rank 4, the radiation level will reduce slowly. This does not provide a constant regeneration effect based on current radiation poisoning (as the similarly-worded Fallout: New Vegas perk Rad Child did).

This has the ramification that this perk has a negative synergy with rad resistance. The more rad resistance you have, the less rad poisoning you receive, which reduces how much health you restore.


Rank Requirements Description Base ID
1 END 9 Sure, you're still human - on the outside! Radiation now regenerates your lost Health. 0004d89e
2 END 9, LVL 24 Radiation now regenerates even more of your lost Health. 00065e22
3 END 9, LVL 48 Radiation now regenerates even more of your lost Health, and some Feral Ghouls will randomly become friendly. 00065e23
4 END 9, LVL 50 fo4nwGametitle-FO4 NW Rad damage will now begin to slowly heal, restoring health in the process. xx028a25


  • The health restoration functions even in combat.
  • This effectively increases the healing done of all uncooked food items, since the rad poisoning they bestow will also restore additional health.
  • This perk does not prevent the accumulation of rads, so as your health regenerates, the red portion of your health bar will also grow. This means that if you don't have RadAway or Mysterious serum, radiation will still eventually kill you.
  • With Rank 4, radiation is reduced only during active game time, not while sleeping or waiting. As of patch 1.7.20, it does not drop during fast travel.

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