Notification. Fallout 76 alters the way radiation works: Instead of only limiting SPECIAL stats or max health, it allows the player character to develop various mutations, which act like traits in other games in the series. All Mutations in Fallout 76 Adrenal Reaction – +Weapon DMG and quick health regen at low HP, but Max HP -50 Bird Bones – AGI +8, fall from heights is more gradual, but STR -4 Carnivore – Meat provides x2 benefit and no disease, but cannot eat … Mutations. In Fallout 76, players have the chance to acquire various mutations for the first time in the franchise. Mutations are a type of condition that give a mixture of powerful positive and negative effects.