even though Piglins are from the Nether
the Zombified Piglin is an undead variant of the regular Piglins. They are also exclusive to the Nether dimension
Zombified Piglins are immune to fire and lava-based damage.
but if a pig gets struck by lightning in the overworld
it can turn into a Zombified Piglin. Unlike Piglins
you don’t have to wear gold to avoid provocation of Zombified Piglins. They only get provoked when you attack them or one of their kind. Otherwise