Minecraft Legends:Nether Portal

"PORTAL – At the centre of every piglin base stands a portal. These imposing structures are a direct link to the Nether and are used to transport armies of piglins to join their invasion of the Overworld. Once a portal is destroyed, the whole base will fall."

- Minecraft Legends: A Hero's Guide to Saving the Overworld

A Portal, also known as an Obsidian Gate, is a piglin structure that can be found within the various piglin outposts of Minecraft Legends.

Spawning
Portals spawn within piglin bases of piglin outposts.

Usage
Portals allow the piglins to travel from the nether to the overworld.